Home / 14,749.48-20,330.50-11,557.32

Finding the Fourth Proportional to 14,749.48, 20,330.50 and 11,557.32

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Solution

The fourth proportional to 14,749.48, 20,330.50 and 11,557.32 is: 15,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.48 : 20,330.50 = 11,557.32 : x
  2. Step 2: Convert to fraction form
    14,749.48/20,330.50 = 11,557.32/x
  3. Step 3: Cross multiply
    14,749.48x = 20,330.50 × 11,557.32
  4. Step 4: Simplify right side
    14,749.48x = 234,966,094.26
  5. Step 5: Solve for x
    x = 234,966,094.26/14,749.48
  6. Step 6: Final answer
    x = 15,930.47

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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.