Home / 19,339.12-29,011.46-7,335.69

Finding the Fourth Proportional to 19,339.12, 29,011.46 and 7,335.69

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Solution

The fourth proportional to 19,339.12, 29,011.46 and 7,335.69 is: 11,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.12 : 29,011.46 = 7,335.69 : x
  2. Step 2: Convert to fraction form
    19,339.12/29,011.46 = 7,335.69/x
  3. Step 3: Cross multiply
    19,339.12x = 29,011.46 × 7,335.69
  4. Step 4: Simplify right side
    19,339.12x = 212,818,931.54
  5. Step 5: Solve for x
    x = 212,818,931.54/19,339.12
  6. Step 6: Final answer
    x = 11,004.58

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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.