Home / 17,886.90-26,830.59-5,407.02

Finding the Fourth Proportional to 17,886.90, 26,830.59 and 5,407.02

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Solution

The fourth proportional to 17,886.90, 26,830.59 and 5,407.02 is: 8,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.90 : 26,830.59 = 5,407.02 : x
  2. Step 2: Convert to fraction form
    17,886.90/26,830.59 = 5,407.02/x
  3. Step 3: Cross multiply
    17,886.90x = 26,830.59 × 5,407.02
  4. Step 4: Simplify right side
    17,886.90x = 145,073,536.74
  5. Step 5: Solve for x
    x = 145,073,536.74/17,886.90
  6. Step 6: Final answer
    x = 8,110.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.