Home / 13,152.65-19,730.00-4,387.56

Finding the Fourth Proportional to 13,152.65, 19,730.00 and 4,387.56

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Solution

The fourth proportional to 13,152.65, 19,730.00 and 4,387.56 is: 6,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.65 : 19,730.00 = 4,387.56 : x
  2. Step 2: Convert to fraction form
    13,152.65/19,730.00 = 4,387.56/x
  3. Step 3: Cross multiply
    13,152.65x = 19,730.00 × 4,387.56
  4. Step 4: Simplify right side
    13,152.65x = 86,566,495.78
  5. Step 5: Solve for x
    x = 86,566,495.78/13,152.65
  6. Step 6: Final answer
    x = 6,581.68

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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.