Home / 10,260.78-14,167.46-6,287.32

Finding the Fourth Proportional to 10,260.78, 14,167.46 and 6,287.32

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Solution

The fourth proportional to 10,260.78, 14,167.46 and 6,287.32 is: 8,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.78 : 14,167.46 = 6,287.32 : x
  2. Step 2: Convert to fraction form
    10,260.78/14,167.46 = 6,287.32/x
  3. Step 3: Cross multiply
    10,260.78x = 14,167.46 × 6,287.32
  4. Step 4: Simplify right side
    10,260.78x = 89,075,354.61
  5. Step 5: Solve for x
    x = 89,075,354.61/10,260.78
  6. Step 6: Final answer
    x = 8,681.15

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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.