Home / 13,343.04-19,972.62-9,158.58

Finding the Fourth Proportional to 13,343.04, 19,972.62 and 9,158.58

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Solution

The fourth proportional to 13,343.04, 19,972.62 and 9,158.58 is: 13,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.04 : 19,972.62 = 9,158.58 : x
  2. Step 2: Convert to fraction form
    13,343.04/19,972.62 = 9,158.58/x
  3. Step 3: Cross multiply
    13,343.04x = 19,972.62 × 9,158.58
  4. Step 4: Simplify right side
    13,343.04x = 182,920,838.08
  5. Step 5: Solve for x
    x = 182,920,838.08/13,343.04
  6. Step 6: Final answer
    x = 13,709.08

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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.