Home / 15,774.04-23,631.90-7,964.20

Finding the Fourth Proportional to 15,774.04, 23,631.90 and 7,964.20

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Solution

The fourth proportional to 15,774.04, 23,631.90 and 7,964.20 is: 11,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.04 : 23,631.90 = 7,964.20 : x
  2. Step 2: Convert to fraction form
    15,774.04/23,631.90 = 7,964.20/x
  3. Step 3: Cross multiply
    15,774.04x = 23,631.90 × 7,964.20
  4. Step 4: Simplify right side
    15,774.04x = 188,209,177.98
  5. Step 5: Solve for x
    x = 188,209,177.98/15,774.04
  6. Step 6: Final answer
    x = 11,931.58

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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.