Home / 15,417.60-23,120.91-5,554.23

Finding the Fourth Proportional to 15,417.60, 23,120.91 and 5,554.23

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Solution

The fourth proportional to 15,417.60, 23,120.91 and 5,554.23 is: 8,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.60 : 23,120.91 = 5,554.23 : x
  2. Step 2: Convert to fraction form
    15,417.60/23,120.91 = 5,554.23/x
  3. Step 3: Cross multiply
    15,417.60x = 23,120.91 × 5,554.23
  4. Step 4: Simplify right side
    15,417.60x = 128,418,851.95
  5. Step 5: Solve for x
    x = 128,418,851.95/15,417.60
  6. Step 6: Final answer
    x = 8,329.37

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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.