Home / 21,437.34-32,158.06-6,642.28

Finding the Fourth Proportional to 21,437.34, 32,158.06 and 6,642.28

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Solution

The fourth proportional to 21,437.34, 32,158.06 and 6,642.28 is: 9,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.34 : 32,158.06 = 6,642.28 : x
  2. Step 2: Convert to fraction form
    21,437.34/32,158.06 = 6,642.28/x
  3. Step 3: Cross multiply
    21,437.34x = 32,158.06 × 6,642.28
  4. Step 4: Simplify right side
    21,437.34x = 213,602,838.78
  5. Step 5: Solve for x
    x = 213,602,838.78/21,437.34
  6. Step 6: Final answer
    x = 9,964.06

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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.