Home / 13,266.32-18,307.60-7,297.83

Finding the Fourth Proportional to 13,266.32, 18,307.60 and 7,297.83

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Solution

The fourth proportional to 13,266.32, 18,307.60 and 7,297.83 is: 10,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.32 : 18,307.60 = 7,297.83 : x
  2. Step 2: Convert to fraction form
    13,266.32/18,307.60 = 7,297.83/x
  3. Step 3: Cross multiply
    13,266.32x = 18,307.60 × 7,297.83
  4. Step 4: Simplify right side
    13,266.32x = 133,605,734.26
  5. Step 5: Solve for x
    x = 133,605,734.26/13,266.32
  6. Step 6: Final answer
    x = 10,071.05

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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.