Home / 11,985.40-17,884.35-10,740.14

Finding the Fourth Proportional to 11,985.40, 17,884.35 and 10,740.14

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Solution

The fourth proportional to 11,985.40, 17,884.35 and 10,740.14 is: 16,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.40 : 17,884.35 = 10,740.14 : x
  2. Step 2: Convert to fraction form
    11,985.40/17,884.35 = 10,740.14/x
  3. Step 3: Cross multiply
    11,985.40x = 17,884.35 × 10,740.14
  4. Step 4: Simplify right side
    11,985.40x = 192,080,422.81
  5. Step 5: Solve for x
    x = 192,080,422.81/11,985.40
  6. Step 6: Final answer
    x = 16,026.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.