Home / 15,308.11-21,124.04-8,594.76

Finding the Fourth Proportional to 15,308.11, 21,124.04 and 8,594.76

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Solution

The fourth proportional to 15,308.11, 21,124.04 and 8,594.76 is: 11,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.11 : 21,124.04 = 8,594.76 : x
  2. Step 2: Convert to fraction form
    15,308.11/21,124.04 = 8,594.76/x
  3. Step 3: Cross multiply
    15,308.11x = 21,124.04 × 8,594.76
  4. Step 4: Simplify right side
    15,308.11x = 181,556,054.03
  5. Step 5: Solve for x
    x = 181,556,054.03/15,308.11
  6. Step 6: Final answer
    x = 11,860.13

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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.