Home / 15,342.86-22,999.71-9,780.59

Finding the Fourth Proportional to 15,342.86, 22,999.71 and 9,780.59

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Solution

The fourth proportional to 15,342.86, 22,999.71 and 9,780.59 is: 14,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.86 : 22,999.71 = 9,780.59 : x
  2. Step 2: Convert to fraction form
    15,342.86/22,999.71 = 9,780.59/x
  3. Step 3: Cross multiply
    15,342.86x = 22,999.71 × 9,780.59
  4. Step 4: Simplify right side
    15,342.86x = 224,950,733.63
  5. Step 5: Solve for x
    x = 224,950,733.63/15,342.86
  6. Step 6: Final answer
    x = 14,661.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.