Home / 15,474.30-21,364.45-10,637.07

Finding the Fourth Proportional to 15,474.30, 21,364.45 and 10,637.07

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Solution

The fourth proportional to 15,474.30, 21,364.45 and 10,637.07 is: 14,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.30 : 21,364.45 = 10,637.07 : x
  2. Step 2: Convert to fraction form
    15,474.30/21,364.45 = 10,637.07/x
  3. Step 3: Cross multiply
    15,474.30x = 21,364.45 × 10,637.07
  4. Step 4: Simplify right side
    15,474.30x = 227,255,148.38
  5. Step 5: Solve for x
    x = 227,255,148.38/15,474.30
  6. Step 6: Final answer
    x = 14,685.98

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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.