Home / 10,964.77-15,130.25-6,487.65

Finding the Fourth Proportional to 10,964.77, 15,130.25 and 6,487.65

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Solution

The fourth proportional to 10,964.77, 15,130.25 and 6,487.65 is: 8,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.77 : 15,130.25 = 6,487.65 : x
  2. Step 2: Convert to fraction form
    10,964.77/15,130.25 = 6,487.65/x
  3. Step 3: Cross multiply
    10,964.77x = 15,130.25 × 6,487.65
  4. Step 4: Simplify right side
    10,964.77x = 98,159,766.41
  5. Step 5: Solve for x
    x = 98,159,766.41/10,964.77
  6. Step 6: Final answer
    x = 8,952.29

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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.