Home / 11,350.18-15,663.75-9,458.59

Finding the Fourth Proportional to 11,350.18, 15,663.75 and 9,458.59

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Solution

The fourth proportional to 11,350.18, 15,663.75 and 9,458.59 is: 13,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.18 : 15,663.75 = 9,458.59 : x
  2. Step 2: Convert to fraction form
    11,350.18/15,663.75 = 9,458.59/x
  3. Step 3: Cross multiply
    11,350.18x = 15,663.75 × 9,458.59
  4. Step 4: Simplify right side
    11,350.18x = 148,157,038.06
  5. Step 5: Solve for x
    x = 148,157,038.06/11,350.18
  6. Step 6: Final answer
    x = 13,053.28

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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.