Home / 14,904.48-20,560.32-9,318.72

Finding the Fourth Proportional to 14,904.48, 20,560.32 and 9,318.72

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Solution

The fourth proportional to 14,904.48, 20,560.32 and 9,318.72 is: 12,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.48 : 20,560.32 = 9,318.72 : x
  2. Step 2: Convert to fraction form
    14,904.48/20,560.32 = 9,318.72/x
  3. Step 3: Cross multiply
    14,904.48x = 20,560.32 × 9,318.72
  4. Step 4: Simplify right side
    14,904.48x = 191,595,865.19
  5. Step 5: Solve for x
    x = 191,595,865.19/14,904.48
  6. Step 6: Final answer
    x = 12,854.92

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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.