Home / 13,594.47-18,758.90-7,851.57

Finding the Fourth Proportional to 13,594.47, 18,758.90 and 7,851.57

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Solution

The fourth proportional to 13,594.47, 18,758.90 and 7,851.57 is: 10,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.47 : 18,758.90 = 7,851.57 : x
  2. Step 2: Convert to fraction form
    13,594.47/18,758.90 = 7,851.57/x
  3. Step 3: Cross multiply
    13,594.47x = 18,758.90 × 7,851.57
  4. Step 4: Simplify right side
    13,594.47x = 147,286,836.10
  5. Step 5: Solve for x
    x = 147,286,836.10/13,594.47
  6. Step 6: Final answer
    x = 10,834.32

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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.