Home / 13,283.04-18,329.52-7,313.76

Finding the Fourth Proportional to 13,283.04, 18,329.52 and 7,313.76

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Solution

The fourth proportional to 13,283.04, 18,329.52 and 7,313.76 is: 10,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.04 : 18,329.52 = 7,313.76 : x
  2. Step 2: Convert to fraction form
    13,283.04/18,329.52 = 7,313.76/x
  3. Step 3: Cross multiply
    13,283.04x = 18,329.52 × 7,313.76
  4. Step 4: Simplify right side
    13,283.04x = 134,057,710.20
  5. Step 5: Solve for x
    x = 134,057,710.20/13,283.04
  6. Step 6: Final answer
    x = 10,092.40

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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.