Home / 15,266.27-21,079.62-10,166.76

Finding the Fourth Proportional to 15,266.27, 21,079.62 and 10,166.76

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Solution

The fourth proportional to 15,266.27, 21,079.62 and 10,166.76 is: 14,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.27 : 21,079.62 = 10,166.76 : x
  2. Step 2: Convert to fraction form
    15,266.27/21,079.62 = 10,166.76/x
  3. Step 3: Cross multiply
    15,266.27x = 21,079.62 × 10,166.76
  4. Step 4: Simplify right side
    15,266.27x = 214,311,437.43
  5. Step 5: Solve for x
    x = 214,311,437.43/15,266.27
  6. Step 6: Final answer
    x = 14,038.24

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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.