Home / 19,359.12-29,037.87-7,509.63

Finding the Fourth Proportional to 19,359.12, 29,037.87 and 7,509.63

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Solution

The fourth proportional to 19,359.12, 29,037.87 and 7,509.63 is: 11,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.12 : 29,037.87 = 7,509.63 : x
  2. Step 2: Convert to fraction form
    19,359.12/29,037.87 = 7,509.63/x
  3. Step 3: Cross multiply
    19,359.12x = 29,037.87 × 7,509.63
  4. Step 4: Simplify right side
    19,359.12x = 218,063,659.69
  5. Step 5: Solve for x
    x = 218,063,659.69/19,359.12
  6. Step 6: Final answer
    x = 11,264.13

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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.