Home / 10,289.40-14,222.70-9,472.92

Finding the Fourth Proportional to 10,289.40, 14,222.70 and 9,472.92

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Solution

The fourth proportional to 10,289.40, 14,222.70 and 9,472.92 is: 13,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.40 : 14,222.70 = 9,472.92 : x
  2. Step 2: Convert to fraction form
    10,289.40/14,222.70 = 9,472.92/x
  3. Step 3: Cross multiply
    10,289.40x = 14,222.70 × 9,472.92
  4. Step 4: Simplify right side
    10,289.40x = 134,730,499.28
  5. Step 5: Solve for x
    x = 134,730,499.28/10,289.40
  6. Step 6: Final answer
    x = 13,094.11

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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.