Home / 15,144.24-20,898.74-9,482.11

Finding the Fourth Proportional to 15,144.24, 20,898.74 and 9,482.11

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Solution

The fourth proportional to 15,144.24, 20,898.74 and 9,482.11 is: 13,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.24 : 20,898.74 = 9,482.11 : x
  2. Step 2: Convert to fraction form
    15,144.24/20,898.74 = 9,482.11/x
  3. Step 3: Cross multiply
    15,144.24x = 20,898.74 × 9,482.11
  4. Step 4: Simplify right side
    15,144.24x = 198,164,151.54
  5. Step 5: Solve for x
    x = 198,164,151.54/15,144.24
  6. Step 6: Final answer
    x = 13,085.12

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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.