Home / 13,269.51-18,313.47-7,301.70

Finding the Fourth Proportional to 13,269.51, 18,313.47 and 7,301.70

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Solution

The fourth proportional to 13,269.51, 18,313.47 and 7,301.70 is: 10,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.51 : 18,313.47 = 7,301.70 : x
  2. Step 2: Convert to fraction form
    13,269.51/18,313.47 = 7,301.70/x
  3. Step 3: Cross multiply
    13,269.51x = 18,313.47 × 7,301.70
  4. Step 4: Simplify right side
    13,269.51x = 133,719,463.90
  5. Step 5: Solve for x
    x = 133,719,463.90/13,269.51
  6. Step 6: Final answer
    x = 10,077.20

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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.