Home / 16,389.15-24,569.13-7,619.28

Finding the Fourth Proportional to 16,389.15, 24,569.13 and 7,619.28

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Solution

The fourth proportional to 16,389.15, 24,569.13 and 7,619.28 is: 11,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.15 : 24,569.13 = 7,619.28 : x
  2. Step 2: Convert to fraction form
    16,389.15/24,569.13 = 7,619.28/x
  3. Step 3: Cross multiply
    16,389.15x = 24,569.13 × 7,619.28
  4. Step 4: Simplify right side
    16,389.15x = 187,199,080.83
  5. Step 5: Solve for x
    x = 187,199,080.83/16,389.15
  6. Step 6: Final answer
    x = 11,422.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.