Home / 12,359.65-18,528.18-5,335.27

Finding the Fourth Proportional to 12,359.65, 18,528.18 and 5,335.27

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Solution

The fourth proportional to 12,359.65, 18,528.18 and 5,335.27 is: 7,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.65 : 18,528.18 = 5,335.27 : x
  2. Step 2: Convert to fraction form
    12,359.65/18,528.18 = 5,335.27/x
  3. Step 3: Cross multiply
    12,359.65x = 18,528.18 × 5,335.27
  4. Step 4: Simplify right side
    12,359.65x = 98,852,842.91
  5. Step 5: Solve for x
    x = 98,852,842.91/12,359.65
  6. Step 6: Final answer
    x = 7,998.03

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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.