Home / 11,112.88-15,271.64-10,598.92

Finding the Fourth Proportional to 11,112.88, 15,271.64 and 10,598.92

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Solution

The fourth proportional to 11,112.88, 15,271.64 and 10,598.92 is: 14,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.88 : 15,271.64 = 10,598.92 : x
  2. Step 2: Convert to fraction form
    11,112.88/15,271.64 = 10,598.92/x
  3. Step 3: Cross multiply
    11,112.88x = 15,271.64 × 10,598.92
  4. Step 4: Simplify right side
    11,112.88x = 161,862,890.63
  5. Step 5: Solve for x
    x = 161,862,890.63/11,112.88
  6. Step 6: Final answer
    x = 14,565.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.