Home / 13,423.27-20,117.90-7,583.17

Finding the Fourth Proportional to 13,423.27, 20,117.90 and 7,583.17

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Solution

The fourth proportional to 13,423.27, 20,117.90 and 7,583.17 is: 11,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.27 : 20,117.90 = 7,583.17 : x
  2. Step 2: Convert to fraction form
    13,423.27/20,117.90 = 7,583.17/x
  3. Step 3: Cross multiply
    13,423.27x = 20,117.90 × 7,583.17
  4. Step 4: Simplify right side
    13,423.27x = 152,557,417.83
  5. Step 5: Solve for x
    x = 152,557,417.83/13,423.27
  6. Step 6: Final answer
    x = 11,365.15

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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.