Home / 14,151.40-19,529.30-8,487.07

Finding the Fourth Proportional to 14,151.40, 19,529.30 and 8,487.07

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Solution

The fourth proportional to 14,151.40, 19,529.30 and 8,487.07 is: 11,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.40 : 19,529.30 = 8,487.07 : x
  2. Step 2: Convert to fraction form
    14,151.40/19,529.30 = 8,487.07/x
  3. Step 3: Cross multiply
    14,151.40x = 19,529.30 × 8,487.07
  4. Step 4: Simplify right side
    14,151.40x = 165,746,536.15
  5. Step 5: Solve for x
    x = 165,746,536.15/14,151.40
  6. Step 6: Final answer
    x = 11,712.38

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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.