Home / 10,963.16-15,127.99-6,487.10

Finding the Fourth Proportional to 10,963.16, 15,127.99 and 6,487.10

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Solution

The fourth proportional to 10,963.16, 15,127.99 and 6,487.10 is: 8,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.16 : 15,127.99 = 6,487.10 : x
  2. Step 2: Convert to fraction form
    10,963.16/15,127.99 = 6,487.10/x
  3. Step 3: Cross multiply
    10,963.16x = 15,127.99 × 6,487.10
  4. Step 4: Simplify right side
    10,963.16x = 98,136,692.07
  5. Step 5: Solve for x
    x = 98,136,692.07/10,963.16
  6. Step 6: Final answer
    x = 8,951.50

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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.