Home / 10,502.66-14,488.57-6,722.80

Finding the Fourth Proportional to 10,502.66, 14,488.57 and 6,722.80

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Solution

The fourth proportional to 10,502.66, 14,488.57 and 6,722.80 is: 9,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.66 : 14,488.57 = 6,722.80 : x
  2. Step 2: Convert to fraction form
    10,502.66/14,488.57 = 6,722.80/x
  3. Step 3: Cross multiply
    10,502.66x = 14,488.57 × 6,722.80
  4. Step 4: Simplify right side
    10,502.66x = 97,403,730.58
  5. Step 5: Solve for x
    x = 97,403,730.58/10,502.66
  6. Step 6: Final answer
    x = 9,274.19

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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.