Home / 19,535.60-29,303.40-12,537.20

Finding the Fourth Proportional to 19,535.60, 29,303.40 and 12,537.20

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Solution

The fourth proportional to 19,535.60, 29,303.40 and 12,537.20 is: 18,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.60 : 29,303.40 = 12,537.20 : x
  2. Step 2: Convert to fraction form
    19,535.60/29,303.40 = 12,537.20/x
  3. Step 3: Cross multiply
    19,535.60x = 29,303.40 × 12,537.20
  4. Step 4: Simplify right side
    19,535.60x = 367,382,586.48
  5. Step 5: Solve for x
    x = 367,382,586.48/19,535.60
  6. Step 6: Final answer
    x = 18,805.80

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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.