Home / 15,094.04-20,816.12-9,429.30

Finding the Fourth Proportional to 15,094.04, 20,816.12 and 9,429.30

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Solution

The fourth proportional to 15,094.04, 20,816.12 and 9,429.30 is: 13,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.04 : 20,816.12 = 9,429.30 : x
  2. Step 2: Convert to fraction form
    15,094.04/20,816.12 = 9,429.30/x
  3. Step 3: Cross multiply
    15,094.04x = 20,816.12 × 9,429.30
  4. Step 4: Simplify right side
    15,094.04x = 196,281,393.17
  5. Step 5: Solve for x
    x = 196,281,393.17/15,094.04
  6. Step 6: Final answer
    x = 13,003.90

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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.