Home / 10,603.20-14,631.68-5,887.20

Finding the Fourth Proportional to 10,603.20, 14,631.68 and 5,887.20

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Solution

The fourth proportional to 10,603.20, 14,631.68 and 5,887.20 is: 8,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.20 : 14,631.68 = 5,887.20 : x
  2. Step 2: Convert to fraction form
    10,603.20/14,631.68 = 5,887.20/x
  3. Step 3: Cross multiply
    10,603.20x = 14,631.68 × 5,887.20
  4. Step 4: Simplify right side
    10,603.20x = 86,139,626.50
  5. Step 5: Solve for x
    x = 86,139,626.50/10,603.20
  6. Step 6: Final answer
    x = 8,123.93

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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.