Home / 15,645.22-23,437.58-8,698.66

Finding the Fourth Proportional to 15,645.22, 23,437.58 and 8,698.66

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Solution

The fourth proportional to 15,645.22, 23,437.58 and 8,698.66 is: 13,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.22 : 23,437.58 = 8,698.66 : x
  2. Step 2: Convert to fraction form
    15,645.22/23,437.58 = 8,698.66/x
  3. Step 3: Cross multiply
    15,645.22x = 23,437.58 × 8,698.66
  4. Step 4: Simplify right side
    15,645.22x = 203,875,422.45
  5. Step 5: Solve for x
    x = 203,875,422.45/15,645.22
  6. Step 6: Final answer
    x = 13,031.17

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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.