Home / 10,088.31-15,131.85-4,827.06

Finding the Fourth Proportional to 10,088.31, 15,131.85 and 4,827.06

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Solution

The fourth proportional to 10,088.31, 15,131.85 and 4,827.06 is: 7,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.31 : 15,131.85 = 4,827.06 : x
  2. Step 2: Convert to fraction form
    10,088.31/15,131.85 = 4,827.06/x
  3. Step 3: Cross multiply
    10,088.31x = 15,131.85 × 4,827.06
  4. Step 4: Simplify right side
    10,088.31x = 73,042,347.86
  5. Step 5: Solve for x
    x = 73,042,347.86/10,088.31
  6. Step 6: Final answer
    x = 7,240.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.