Home / 13,266.49-18,307.80-7,298.54

Finding the Fourth Proportional to 13,266.49, 18,307.80 and 7,298.54

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Solution

The fourth proportional to 13,266.49, 18,307.80 and 7,298.54 is: 10,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.49 : 18,307.80 = 7,298.54 : x
  2. Step 2: Convert to fraction form
    13,266.49/18,307.80 = 7,298.54/x
  3. Step 3: Cross multiply
    13,266.49x = 18,307.80 × 7,298.54
  4. Step 4: Simplify right side
    13,266.49x = 133,620,082.58
  5. Step 5: Solve for x
    x = 133,620,082.58/13,266.49
  6. Step 6: Final answer
    x = 10,072.00

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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.