Home / 15,387.41-23,061.05-6,947.63

Finding the Fourth Proportional to 15,387.41, 23,061.05 and 6,947.63

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Solution

The fourth proportional to 15,387.41, 23,061.05 and 6,947.63 is: 10,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.41 : 23,061.05 = 6,947.63 : x
  2. Step 2: Convert to fraction form
    15,387.41/23,061.05 = 6,947.63/x
  3. Step 3: Cross multiply
    15,387.41x = 23,061.05 × 6,947.63
  4. Step 4: Simplify right side
    15,387.41x = 160,219,492.77
  5. Step 5: Solve for x
    x = 160,219,492.77/15,387.41
  6. Step 6: Final answer
    x = 10,412.38

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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.