Home / 19,148.06-28,726.68-9,275.80

Finding the Fourth Proportional to 19,148.06, 28,726.68 and 9,275.80

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Solution

The fourth proportional to 19,148.06, 28,726.68 and 9,275.80 is: 13,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.06 : 28,726.68 = 9,275.80 : x
  2. Step 2: Convert to fraction form
    19,148.06/28,726.68 = 9,275.80/x
  3. Step 3: Cross multiply
    19,148.06x = 28,726.68 × 9,275.80
  4. Step 4: Simplify right side
    19,148.06x = 266,462,938.34
  5. Step 5: Solve for x
    x = 266,462,938.34/19,148.06
  6. Step 6: Final answer
    x = 13,915.92

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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.