Home / 23,130.36-34,718.22-9,987.30

Finding the Fourth Proportional to 23,130.36, 34,718.22 and 9,987.30

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Solution

The fourth proportional to 23,130.36, 34,718.22 and 9,987.30 is: 14,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.36 : 34,718.22 = 9,987.30 : x
  2. Step 2: Convert to fraction form
    23,130.36/34,718.22 = 9,987.30/x
  3. Step 3: Cross multiply
    23,130.36x = 34,718.22 × 9,987.30
  4. Step 4: Simplify right side
    23,130.36x = 346,741,278.61
  5. Step 5: Solve for x
    x = 346,741,278.61/23,130.36
  6. Step 6: Final answer
    x = 14,990.74

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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.