Home / 15,489.96-23,215.50-9,254.58

Finding the Fourth Proportional to 15,489.96, 23,215.50 and 9,254.58

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Solution

The fourth proportional to 15,489.96, 23,215.50 and 9,254.58 is: 13,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.96 : 23,215.50 = 9,254.58 : x
  2. Step 2: Convert to fraction form
    15,489.96/23,215.50 = 9,254.58/x
  3. Step 3: Cross multiply
    15,489.96x = 23,215.50 × 9,254.58
  4. Step 4: Simplify right side
    15,489.96x = 214,849,701.99
  5. Step 5: Solve for x
    x = 214,849,701.99/15,489.96
  6. Step 6: Final answer
    x = 13,870.26

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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.