Home / 14,930.80-22,341.42-12,459.52

Finding the Fourth Proportional to 14,930.80, 22,341.42 and 12,459.52

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Solution

The fourth proportional to 14,930.80, 22,341.42 and 12,459.52 is: 18,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.80 : 22,341.42 = 12,459.52 : x
  2. Step 2: Convert to fraction form
    14,930.80/22,341.42 = 12,459.52/x
  3. Step 3: Cross multiply
    14,930.80x = 22,341.42 × 12,459.52
  4. Step 4: Simplify right side
    14,930.80x = 278,363,369.32
  5. Step 5: Solve for x
    x = 278,363,369.32/14,930.80
  6. Step 6: Final answer
    x = 18,643.57

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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.