Home / 10,989.03-15,164.90-5,953.23

Finding the Fourth Proportional to 10,989.03, 15,164.90 and 5,953.23

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Solution

The fourth proportional to 10,989.03, 15,164.90 and 5,953.23 is: 8,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.03 : 15,164.90 = 5,953.23 : x
  2. Step 2: Convert to fraction form
    10,989.03/15,164.90 = 5,953.23/x
  3. Step 3: Cross multiply
    10,989.03x = 15,164.90 × 5,953.23
  4. Step 4: Simplify right side
    10,989.03x = 90,280,130.19
  5. Step 5: Solve for x
    x = 90,280,130.19/10,989.03
  6. Step 6: Final answer
    x = 8,215.47

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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.