Home / 19,445.60-26,830.36-11,489.02

Finding the Fourth Proportional to 19,445.60, 26,830.36 and 11,489.02

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Solution

The fourth proportional to 19,445.60, 26,830.36 and 11,489.02 is: 15,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.60 : 26,830.36 = 11,489.02 : x
  2. Step 2: Convert to fraction form
    19,445.60/26,830.36 = 11,489.02/x
  3. Step 3: Cross multiply
    19,445.60x = 26,830.36 × 11,489.02
  4. Step 4: Simplify right side
    19,445.60x = 308,254,542.65
  5. Step 5: Solve for x
    x = 308,254,542.65/19,445.60
  6. Step 6: Final answer
    x = 15,852.15

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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.