Home / 23,320.40-34,985.10-9,993.20

Finding the Fourth Proportional to 23,320.40, 34,985.10 and 9,993.20

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Solution

The fourth proportional to 23,320.40, 34,985.10 and 9,993.20 is: 14,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.40 : 34,985.10 = 9,993.20 : x
  2. Step 2: Convert to fraction form
    23,320.40/34,985.10 = 9,993.20/x
  3. Step 3: Cross multiply
    23,320.40x = 34,985.10 × 9,993.20
  4. Step 4: Simplify right side
    23,320.40x = 349,613,101.32
  5. Step 5: Solve for x
    x = 349,613,101.32/23,320.40
  6. Step 6: Final answer
    x = 14,991.73

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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.