Home / 14,292.40-19,723.47-8,242.62

Finding the Fourth Proportional to 14,292.40, 19,723.47 and 8,242.62

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Solution

The fourth proportional to 14,292.40, 19,723.47 and 8,242.62 is: 11,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.40 : 19,723.47 = 8,242.62 : x
  2. Step 2: Convert to fraction form
    14,292.40/19,723.47 = 8,242.62/x
  3. Step 3: Cross multiply
    14,292.40x = 19,723.47 × 8,242.62
  4. Step 4: Simplify right side
    14,292.40x = 162,573,068.29
  5. Step 5: Solve for x
    x = 162,573,068.29/14,292.40
  6. Step 6: Final answer
    x = 11,374.79

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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.