Home / 15,237.18-21,030.03-11,057.58

Finding the Fourth Proportional to 15,237.18, 21,030.03 and 11,057.58

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Solution

The fourth proportional to 15,237.18, 21,030.03 and 11,057.58 is: 15,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.18 : 21,030.03 = 11,057.58 : x
  2. Step 2: Convert to fraction form
    15,237.18/21,030.03 = 11,057.58/x
  3. Step 3: Cross multiply
    15,237.18x = 21,030.03 × 11,057.58
  4. Step 4: Simplify right side
    15,237.18x = 232,541,239.13
  5. Step 5: Solve for x
    x = 232,541,239.13/15,237.18
  6. Step 6: Final answer
    x = 15,261.44

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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.