Home / 15,312.87-22,969.04-8,725.01

Finding the Fourth Proportional to 15,312.87, 22,969.04 and 8,725.01

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Solution

The fourth proportional to 15,312.87, 22,969.04 and 8,725.01 is: 13,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.87 : 22,969.04 = 8,725.01 : x
  2. Step 2: Convert to fraction form
    15,312.87/22,969.04 = 8,725.01/x
  3. Step 3: Cross multiply
    15,312.87x = 22,969.04 × 8,725.01
  4. Step 4: Simplify right side
    15,312.87x = 200,404,945.22
  5. Step 5: Solve for x
    x = 200,404,945.22/15,312.87
  6. Step 6: Final answer
    x = 13,087.35

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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.