Home / 15,371.86-21,199.17-10,064.74

Finding the Fourth Proportional to 15,371.86, 21,199.17 and 10,064.74

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Solution

The fourth proportional to 15,371.86, 21,199.17 and 10,064.74 is: 13,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.86 : 21,199.17 = 10,064.74 : x
  2. Step 2: Convert to fraction form
    15,371.86/21,199.17 = 10,064.74/x
  3. Step 3: Cross multiply
    15,371.86x = 21,199.17 × 10,064.74
  4. Step 4: Simplify right side
    15,371.86x = 213,364,134.27
  5. Step 5: Solve for x
    x = 213,364,134.27/15,371.86
  6. Step 6: Final answer
    x = 13,880.18

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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.