Home / 13,426.65-20,154.69-10,671.03

Finding the Fourth Proportional to 13,426.65, 20,154.69 and 10,671.03

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Solution

The fourth proportional to 13,426.65, 20,154.69 and 10,671.03 is: 16,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.65 : 20,154.69 = 10,671.03 : x
  2. Step 2: Convert to fraction form
    13,426.65/20,154.69 = 10,671.03/x
  3. Step 3: Cross multiply
    13,426.65x = 20,154.69 × 10,671.03
  4. Step 4: Simplify right side
    13,426.65x = 215,071,301.63
  5. Step 5: Solve for x
    x = 215,071,301.63/13,426.65
  6. Step 6: Final answer
    x = 16,018.24

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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.