Home / 15,219.80-22,829.70-9,357.40

Finding the Fourth Proportional to 15,219.80, 22,829.70 and 9,357.40

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Solution

The fourth proportional to 15,219.80, 22,829.70 and 9,357.40 is: 14,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.80 : 22,829.70 = 9,357.40 : x
  2. Step 2: Convert to fraction form
    15,219.80/22,829.70 = 9,357.40/x
  3. Step 3: Cross multiply
    15,219.80x = 22,829.70 × 9,357.40
  4. Step 4: Simplify right side
    15,219.80x = 213,626,634.78
  5. Step 5: Solve for x
    x = 213,626,634.78/15,219.80
  6. Step 6: Final answer
    x = 14,036.10

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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.