Home / 15,584.44-21,506.40-8,510.86

Finding the Fourth Proportional to 15,584.44, 21,506.40 and 8,510.86

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Solution

The fourth proportional to 15,584.44, 21,506.40 and 8,510.86 is: 11,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.44 : 21,506.40 = 8,510.86 : x
  2. Step 2: Convert to fraction form
    15,584.44/21,506.40 = 8,510.86/x
  3. Step 3: Cross multiply
    15,584.44x = 21,506.40 × 8,510.86
  4. Step 4: Simplify right side
    15,584.44x = 183,037,959.50
  5. Step 5: Solve for x
    x = 183,037,959.50/15,584.44
  6. Step 6: Final answer
    x = 11,744.92

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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.