Home / 17,689.04-24,412.61-13,205.01

Finding the Fourth Proportional to 17,689.04, 24,412.61 and 13,205.01

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Solution

The fourth proportional to 17,689.04, 24,412.61 and 13,205.01 is: 18,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.04 : 24,412.61 = 13,205.01 : x
  2. Step 2: Convert to fraction form
    17,689.04/24,412.61 = 13,205.01/x
  3. Step 3: Cross multiply
    17,689.04x = 24,412.61 × 13,205.01
  4. Step 4: Simplify right side
    17,689.04x = 322,368,683.96
  5. Step 5: Solve for x
    x = 322,368,683.96/17,689.04
  6. Step 6: Final answer
    x = 18,224.20

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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.