Home / 13,266.06-18,306.70-7,297.38

Finding the Fourth Proportional to 13,266.06, 18,306.70 and 7,297.38

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Solution

The fourth proportional to 13,266.06, 18,306.70 and 7,297.38 is: 10,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.06 : 18,306.70 = 7,297.38 : x
  2. Step 2: Convert to fraction form
    13,266.06/18,306.70 = 7,297.38/x
  3. Step 3: Cross multiply
    13,266.06x = 18,306.70 × 7,297.38
  4. Step 4: Simplify right side
    13,266.06x = 133,590,946.45
  5. Step 5: Solve for x
    x = 133,590,946.45/13,266.06
  6. Step 6: Final answer
    x = 10,070.13

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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.