Home / 15,429.60-23,136.30-5,567.40

Finding the Fourth Proportional to 15,429.60, 23,136.30 and 5,567.40

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Solution

The fourth proportional to 15,429.60, 23,136.30 and 5,567.40 is: 8,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.60 : 23,136.30 = 5,567.40 : x
  2. Step 2: Convert to fraction form
    15,429.60/23,136.30 = 5,567.40/x
  3. Step 3: Cross multiply
    15,429.60x = 23,136.30 × 5,567.40
  4. Step 4: Simplify right side
    15,429.60x = 128,809,036.62
  5. Step 5: Solve for x
    x = 128,809,036.62/15,429.60
  6. Step 6: Final answer
    x = 8,348.18

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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.