Home / 19,136.61-28,663.29-9,255.06

Finding the Fourth Proportional to 19,136.61, 28,663.29 and 9,255.06

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Solution

The fourth proportional to 19,136.61, 28,663.29 and 9,255.06 is: 13,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.61 : 28,663.29 = 9,255.06 : x
  2. Step 2: Convert to fraction form
    19,136.61/28,663.29 = 9,255.06/x
  3. Step 3: Cross multiply
    19,136.61x = 28,663.29 × 9,255.06
  4. Step 4: Simplify right side
    19,136.61x = 265,280,468.75
  5. Step 5: Solve for x
    x = 265,280,468.75/19,136.61
  6. Step 6: Final answer
    x = 13,862.46

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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.