Home / 10,220.66-15,341.79-5,030.18

Finding the Fourth Proportional to 10,220.66, 15,341.79 and 5,030.18

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Solution

The fourth proportional to 10,220.66, 15,341.79 and 5,030.18 is: 7,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.66 : 15,341.79 = 5,030.18 : x
  2. Step 2: Convert to fraction form
    10,220.66/15,341.79 = 5,030.18/x
  3. Step 3: Cross multiply
    10,220.66x = 15,341.79 × 5,030.18
  4. Step 4: Simplify right side
    10,220.66x = 77,171,965.22
  5. Step 5: Solve for x
    x = 77,171,965.22/10,220.66
  6. Step 6: Final answer
    x = 7,550.59

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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.