Home / 14,427.32-19,909.80-8,459.10

Finding the Fourth Proportional to 14,427.32, 19,909.80 and 8,459.10

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Solution

The fourth proportional to 14,427.32, 19,909.80 and 8,459.10 is: 11,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.32 : 19,909.80 = 8,459.10 : x
  2. Step 2: Convert to fraction form
    14,427.32/19,909.80 = 8,459.10/x
  3. Step 3: Cross multiply
    14,427.32x = 19,909.80 × 8,459.10
  4. Step 4: Simplify right side
    14,427.32x = 168,418,989.18
  5. Step 5: Solve for x
    x = 168,418,989.18/14,427.32
  6. Step 6: Final answer
    x = 11,673.62

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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.