Home / 21,476.04-32,206.34-7,432.25

Finding the Fourth Proportional to 21,476.04, 32,206.34 and 7,432.25

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Solution

The fourth proportional to 21,476.04, 32,206.34 and 7,432.25 is: 11,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.04 : 32,206.34 = 7,432.25 : x
  2. Step 2: Convert to fraction form
    21,476.04/32,206.34 = 7,432.25/x
  3. Step 3: Cross multiply
    21,476.04x = 32,206.34 × 7,432.25
  4. Step 4: Simplify right side
    21,476.04x = 239,365,533.30
  5. Step 5: Solve for x
    x = 239,365,533.30/21,476.04
  6. Step 6: Final answer
    x = 11,145.70

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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.