Home / 15,391.80-23,088.91-4,862.63

Finding the Fourth Proportional to 15,391.80, 23,088.91 and 4,862.63

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Solution

The fourth proportional to 15,391.80, 23,088.91 and 4,862.63 is: 7,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.80 : 23,088.91 = 4,862.63 : x
  2. Step 2: Convert to fraction form
    15,391.80/23,088.91 = 4,862.63/x
  3. Step 3: Cross multiply
    15,391.80x = 23,088.91 × 4,862.63
  4. Step 4: Simplify right side
    15,391.80x = 112,272,826.43
  5. Step 5: Solve for x
    x = 112,272,826.43/15,391.80
  6. Step 6: Final answer
    x = 7,294.33

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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.