Home / 9,478.48-13,083.92-7,127.46

Finding the Fourth Proportional to 9,478.48, 13,083.92 and 7,127.46

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Solution

The fourth proportional to 9,478.48, 13,083.92 and 7,127.46 is: 9,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.48 : 13,083.92 = 7,127.46 : x
  2. Step 2: Convert to fraction form
    9,478.48/13,083.92 = 7,127.46/x
  3. Step 3: Cross multiply
    9,478.48x = 13,083.92 × 7,127.46
  4. Step 4: Simplify right side
    9,478.48x = 93,255,116.44
  5. Step 5: Solve for x
    x = 93,255,116.44/9,478.48
  6. Step 6: Final answer
    x = 9,838.62

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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.