Home / 14,673.12-20,248.80-8,386.08

Finding the Fourth Proportional to 14,673.12, 20,248.80 and 8,386.08

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Solution

The fourth proportional to 14,673.12, 20,248.80 and 8,386.08 is: 11,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.12 : 20,248.80 = 8,386.08 : x
  2. Step 2: Convert to fraction form
    14,673.12/20,248.80 = 8,386.08/x
  3. Step 3: Cross multiply
    14,673.12x = 20,248.80 × 8,386.08
  4. Step 4: Simplify right side
    14,673.12x = 169,808,056.70
  5. Step 5: Solve for x
    x = 169,808,056.70/14,673.12
  6. Step 6: Final answer
    x = 11,572.73

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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.