Home / 10,064.21-13,887.54-5,587.85

Finding the Fourth Proportional to 10,064.21, 13,887.54 and 5,587.85

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Solution

The fourth proportional to 10,064.21, 13,887.54 and 5,587.85 is: 7,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.21 : 13,887.54 = 5,587.85 : x
  2. Step 2: Convert to fraction form
    10,064.21/13,887.54 = 5,587.85/x
  3. Step 3: Cross multiply
    10,064.21x = 13,887.54 × 5,587.85
  4. Step 4: Simplify right side
    10,064.21x = 77,601,490.39
  5. Step 5: Solve for x
    x = 77,601,490.39/10,064.21
  6. Step 6: Final answer
    x = 7,710.64

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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.