Home / 23,290.51-32,139.90-12,680.13

Finding the Fourth Proportional to 23,290.51, 32,139.90 and 12,680.13

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Solution

The fourth proportional to 23,290.51, 32,139.90 and 12,680.13 is: 17,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.51 : 32,139.90 = 12,680.13 : x
  2. Step 2: Convert to fraction form
    23,290.51/32,139.90 = 12,680.13/x
  3. Step 3: Cross multiply
    23,290.51x = 32,139.90 × 12,680.13
  4. Step 4: Simplify right side
    23,290.51x = 407,538,110.19
  5. Step 5: Solve for x
    x = 407,538,110.19/23,290.51
  6. Step 6: Final answer
    x = 17,498.03

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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.