Home / 13,266.24-18,307.70-7,297.91

Finding the Fourth Proportional to 13,266.24, 18,307.70 and 7,297.91

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Solution

The fourth proportional to 13,266.24, 18,307.70 and 7,297.91 is: 10,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.24 : 18,307.70 = 7,297.91 : x
  2. Step 2: Convert to fraction form
    13,266.24/18,307.70 = 7,297.91/x
  3. Step 3: Cross multiply
    13,266.24x = 18,307.70 × 7,297.91
  4. Step 4: Simplify right side
    13,266.24x = 133,607,818.88
  5. Step 5: Solve for x
    x = 133,607,818.88/13,266.24
  6. Step 6: Final answer
    x = 10,071.27

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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.