Home / 15,007.30-20,710.49-8,293.36

Finding the Fourth Proportional to 15,007.30, 20,710.49 and 8,293.36

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Solution

The fourth proportional to 15,007.30, 20,710.49 and 8,293.36 is: 11,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.30 : 20,710.49 = 8,293.36 : x
  2. Step 2: Convert to fraction form
    15,007.30/20,710.49 = 8,293.36/x
  3. Step 3: Cross multiply
    15,007.30x = 20,710.49 × 8,293.36
  4. Step 4: Simplify right side
    15,007.30x = 171,759,549.35
  5. Step 5: Solve for x
    x = 171,759,549.35/15,007.30
  6. Step 6: Final answer
    x = 11,445.07

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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.