Home / 14,948.72-22,384.80-12,477.40

Finding the Fourth Proportional to 14,948.72, 22,384.80 and 12,477.40

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Solution

The fourth proportional to 14,948.72, 22,384.80 and 12,477.40 is: 18,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.72 : 22,384.80 = 12,477.40 : x
  2. Step 2: Convert to fraction form
    14,948.72/22,384.80 = 12,477.40/x
  3. Step 3: Cross multiply
    14,948.72x = 22,384.80 × 12,477.40
  4. Step 4: Simplify right side
    14,948.72x = 279,304,103.52
  5. Step 5: Solve for x
    x = 279,304,103.52/14,948.72
  6. Step 6: Final answer
    x = 18,684.15

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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.