Home / 14,896.60-20,557.32-8,931.72

Finding the Fourth Proportional to 14,896.60, 20,557.32 and 8,931.72

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Solution

The fourth proportional to 14,896.60, 20,557.32 and 8,931.72 is: 12,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,896.60 : 20,557.32 = 8,931.72 : x
  2. Step 2: Convert to fraction form
    14,896.60/20,557.32 = 8,931.72/x
  3. Step 3: Cross multiply
    14,896.60x = 20,557.32 × 8,931.72
  4. Step 4: Simplify right side
    14,896.60x = 183,612,226.19
  5. Step 5: Solve for x
    x = 183,612,226.19/14,896.60
  6. Step 6: Final answer
    x = 12,325.78

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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.