Home / 10,415.90-14,373.82-5,700.13

Finding the Fourth Proportional to 10,415.90, 14,373.82 and 5,700.13

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Solution

The fourth proportional to 10,415.90, 14,373.82 and 5,700.13 is: 7,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.90 : 14,373.82 = 5,700.13 : x
  2. Step 2: Convert to fraction form
    10,415.90/14,373.82 = 5,700.13/x
  3. Step 3: Cross multiply
    10,415.90x = 14,373.82 × 5,700.13
  4. Step 4: Simplify right side
    10,415.90x = 81,932,642.60
  5. Step 5: Solve for x
    x = 81,932,642.60/10,415.90
  6. Step 6: Final answer
    x = 7,866.11

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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.