Home / 11,127.84-15,323.76-9,948.48

Finding the Fourth Proportional to 11,127.84, 15,323.76 and 9,948.48

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Solution

The fourth proportional to 11,127.84, 15,323.76 and 9,948.48 is: 13,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.84 : 15,323.76 = 9,948.48 : x
  2. Step 2: Convert to fraction form
    11,127.84/15,323.76 = 9,948.48/x
  3. Step 3: Cross multiply
    11,127.84x = 15,323.76 × 9,948.48
  4. Step 4: Simplify right side
    11,127.84x = 152,448,119.88
  5. Step 5: Solve for x
    x = 152,448,119.88/11,127.84
  6. Step 6: Final answer
    x = 13,699.70

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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.