Home / 14,483.93-21,737.43-12,428.15

Finding the Fourth Proportional to 14,483.93, 21,737.43 and 12,428.15

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Solution

The fourth proportional to 14,483.93, 21,737.43 and 12,428.15 is: 18,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.93 : 21,737.43 = 12,428.15 : x
  2. Step 2: Convert to fraction form
    14,483.93/21,737.43 = 12,428.15/x
  3. Step 3: Cross multiply
    14,483.93x = 21,737.43 × 12,428.15
  4. Step 4: Simplify right side
    14,483.93x = 270,155,931.97
  5. Step 5: Solve for x
    x = 270,155,931.97/14,483.93
  6. Step 6: Final answer
    x = 18,652.12

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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.