Home / 12,882.95-19,331.02-6,136.17

Finding the Fourth Proportional to 12,882.95, 19,331.02 and 6,136.17

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Solution

The fourth proportional to 12,882.95, 19,331.02 and 6,136.17 is: 9,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.95 : 19,331.02 = 6,136.17 : x
  2. Step 2: Convert to fraction form
    12,882.95/19,331.02 = 6,136.17/x
  3. Step 3: Cross multiply
    12,882.95x = 19,331.02 × 6,136.17
  4. Step 4: Simplify right side
    12,882.95x = 118,618,482.14
  5. Step 5: Solve for x
    x = 118,618,482.14/12,882.95
  6. Step 6: Final answer
    x = 9,207.40

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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.