Home / 14,248.64-19,663.10-7,875.72

Finding the Fourth Proportional to 14,248.64, 19,663.10 and 7,875.72

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Solution

The fourth proportional to 14,248.64, 19,663.10 and 7,875.72 is: 10,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.64 : 19,663.10 = 7,875.72 : x
  2. Step 2: Convert to fraction form
    14,248.64/19,663.10 = 7,875.72/x
  3. Step 3: Cross multiply
    14,248.64x = 19,663.10 × 7,875.72
  4. Step 4: Simplify right side
    14,248.64x = 154,861,069.93
  5. Step 5: Solve for x
    x = 154,861,069.93/14,248.64
  6. Step 6: Final answer
    x = 10,868.48

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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.