Home / 10,433.20-14,392.98-9,239.40

Finding the Fourth Proportional to 10,433.20, 14,392.98 and 9,239.40

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Solution

The fourth proportional to 10,433.20, 14,392.98 and 9,239.40 is: 12,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.20 : 14,392.98 = 9,239.40 : x
  2. Step 2: Convert to fraction form
    10,433.20/14,392.98 = 9,239.40/x
  3. Step 3: Cross multiply
    10,433.20x = 14,392.98 × 9,239.40
  4. Step 4: Simplify right side
    10,433.20x = 132,982,499.41
  5. Step 5: Solve for x
    x = 132,982,499.41/10,433.20
  6. Step 6: Final answer
    x = 12,746.09

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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.