Home / 13,248.24-18,284.80-7,583.20

Finding the Fourth Proportional to 13,248.24, 18,284.80 and 7,583.20

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Solution

The fourth proportional to 13,248.24, 18,284.80 and 7,583.20 is: 10,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.24 : 18,284.80 = 7,583.20 : x
  2. Step 2: Convert to fraction form
    13,248.24/18,284.80 = 7,583.20/x
  3. Step 3: Cross multiply
    13,248.24x = 18,284.80 × 7,583.20
  4. Step 4: Simplify right side
    13,248.24x = 138,657,295.36
  5. Step 5: Solve for x
    x = 138,657,295.36/13,248.24
  6. Step 6: Final answer
    x = 10,466.09

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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.