Home / 10,501.48-15,738.36-4,947.22

Finding the Fourth Proportional to 10,501.48, 15,738.36 and 4,947.22

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Solution

The fourth proportional to 10,501.48, 15,738.36 and 4,947.22 is: 7,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.48 : 15,738.36 = 4,947.22 : x
  2. Step 2: Convert to fraction form
    10,501.48/15,738.36 = 4,947.22/x
  3. Step 3: Cross multiply
    10,501.48x = 15,738.36 × 4,947.22
  4. Step 4: Simplify right side
    10,501.48x = 77,861,129.36
  5. Step 5: Solve for x
    x = 77,861,129.36/10,501.48
  6. Step 6: Final answer
    x = 7,414.30

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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.