Home / 13,429.23-18,526.37-8,948.62

Finding the Fourth Proportional to 13,429.23, 18,526.37 and 8,948.62

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Solution

The fourth proportional to 13,429.23, 18,526.37 and 8,948.62 is: 12,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.23 : 18,526.37 = 8,948.62 : x
  2. Step 2: Convert to fraction form
    13,429.23/18,526.37 = 8,948.62/x
  3. Step 3: Cross multiply
    13,429.23x = 18,526.37 × 8,948.62
  4. Step 4: Simplify right side
    13,429.23x = 165,785,352.48
  5. Step 5: Solve for x
    x = 165,785,352.48/13,429.23
  6. Step 6: Final answer
    x = 12,345.11

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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.