Home / 19,248.06-28,875.12-8,154.78

Finding the Fourth Proportional to 19,248.06, 28,875.12 and 8,154.78

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Solution

The fourth proportional to 19,248.06, 28,875.12 and 8,154.78 is: 12,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.06 : 28,875.12 = 8,154.78 : x
  2. Step 2: Convert to fraction form
    19,248.06/28,875.12 = 8,154.78/x
  3. Step 3: Cross multiply
    19,248.06x = 28,875.12 × 8,154.78
  4. Step 4: Simplify right side
    19,248.06x = 235,470,251.07
  5. Step 5: Solve for x
    x = 235,470,251.07/19,248.06
  6. Step 6: Final answer
    x = 12,233.45

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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.