Home / 13,266.11-18,307.53-7,298.10

Finding the Fourth Proportional to 13,266.11, 18,307.53 and 7,298.10

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Solution

The fourth proportional to 13,266.11, 18,307.53 and 7,298.10 is: 10,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.11 : 18,307.53 = 7,298.10 : x
  2. Step 2: Convert to fraction form
    13,266.11/18,307.53 = 7,298.10/x
  3. Step 3: Cross multiply
    13,266.11x = 18,307.53 × 7,298.10
  4. Step 4: Simplify right side
    13,266.11x = 133,610,184.69
  5. Step 5: Solve for x
    x = 133,610,184.69/13,266.11
  6. Step 6: Final answer
    x = 10,071.54

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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.