Home / 10,319.41-14,240.84-5,603.69

Finding the Fourth Proportional to 10,319.41, 14,240.84 and 5,603.69

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Solution

The fourth proportional to 10,319.41, 14,240.84 and 5,603.69 is: 7,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.41 : 14,240.84 = 5,603.69 : x
  2. Step 2: Convert to fraction form
    10,319.41/14,240.84 = 5,603.69/x
  3. Step 3: Cross multiply
    10,319.41x = 14,240.84 × 5,603.69
  4. Step 4: Simplify right side
    10,319.41x = 79,801,206.88
  5. Step 5: Solve for x
    x = 79,801,206.88/10,319.41
  6. Step 6: Final answer
    x = 7,733.12

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.