Home / 14,457.76-19,952.30-8,170.12

Finding the Fourth Proportional to 14,457.76, 19,952.30 and 8,170.12

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Solution

The fourth proportional to 14,457.76, 19,952.30 and 8,170.12 is: 11,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.76 : 19,952.30 = 8,170.12 : x
  2. Step 2: Convert to fraction form
    14,457.76/19,952.30 = 8,170.12/x
  3. Step 3: Cross multiply
    14,457.76x = 19,952.30 × 8,170.12
  4. Step 4: Simplify right side
    14,457.76x = 163,012,685.28
  5. Step 5: Solve for x
    x = 163,012,685.28/14,457.76
  6. Step 6: Final answer
    x = 11,275.10

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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.