Home / 15,412.86-21,270.50-9,444.84

Finding the Fourth Proportional to 15,412.86, 21,270.50 and 9,444.84

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Solution

The fourth proportional to 15,412.86, 21,270.50 and 9,444.84 is: 13,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.86 : 21,270.50 = 9,444.84 : x
  2. Step 2: Convert to fraction form
    15,412.86/21,270.50 = 9,444.84/x
  3. Step 3: Cross multiply
    15,412.86x = 21,270.50 × 9,444.84
  4. Step 4: Simplify right side
    15,412.86x = 200,896,422.00
  5. Step 5: Solve for x
    x = 200,896,422.00/15,412.86
  6. Step 6: Final answer
    x = 13,034.34

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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.