Home / 13,585.42-18,748.01-7,535.80

Finding the Fourth Proportional to 13,585.42, 18,748.01 and 7,535.80

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Solution

The fourth proportional to 13,585.42, 18,748.01 and 7,535.80 is: 10,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.42 : 18,748.01 = 7,535.80 : x
  2. Step 2: Convert to fraction form
    13,585.42/18,748.01 = 7,535.80/x
  3. Step 3: Cross multiply
    13,585.42x = 18,748.01 × 7,535.80
  4. Step 4: Simplify right side
    13,585.42x = 141,281,122.34
  5. Step 5: Solve for x
    x = 141,281,122.34/13,585.42
  6. Step 6: Final answer
    x = 10,399.47

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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.