Home / 15,534.66-21,423.66-10,152.18

Finding the Fourth Proportional to 15,534.66, 21,423.66 and 10,152.18

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Solution

The fourth proportional to 15,534.66, 21,423.66 and 10,152.18 is: 14,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.66 : 21,423.66 = 10,152.18 : x
  2. Step 2: Convert to fraction form
    15,534.66/21,423.66 = 10,152.18/x
  3. Step 3: Cross multiply
    15,534.66x = 21,423.66 × 10,152.18
  4. Step 4: Simplify right side
    15,534.66x = 217,496,852.58
  5. Step 5: Solve for x
    x = 217,496,852.58/15,534.66
  6. Step 6: Final answer
    x = 14,000.75

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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.