Home / 10,746.40-14,822.76-8,757.04

Finding the Fourth Proportional to 10,746.40, 14,822.76 and 8,757.04

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Solution

The fourth proportional to 10,746.40, 14,822.76 and 8,757.04 is: 12,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.40 : 14,822.76 = 8,757.04 : x
  2. Step 2: Convert to fraction form
    10,746.40/14,822.76 = 8,757.04/x
  3. Step 3: Cross multiply
    10,746.40x = 14,822.76 × 8,757.04
  4. Step 4: Simplify right side
    10,746.40x = 129,803,502.23
  5. Step 5: Solve for x
    x = 129,803,502.23/10,746.40
  6. Step 6: Final answer
    x = 12,078.79

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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.