Home / 15,164.49-20,925.93-8,358.24

Finding the Fourth Proportional to 15,164.49, 20,925.93 and 8,358.24

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Solution

The fourth proportional to 15,164.49, 20,925.93 and 8,358.24 is: 11,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.49 : 20,925.93 = 8,358.24 : x
  2. Step 2: Convert to fraction form
    15,164.49/20,925.93 = 8,358.24/x
  3. Step 3: Cross multiply
    15,164.49x = 20,925.93 × 8,358.24
  4. Step 4: Simplify right side
    15,164.49x = 174,903,945.16
  5. Step 5: Solve for x
    x = 174,903,945.16/15,164.49
  6. Step 6: Final answer
    x = 11,533.78

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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.