Home / 13,271.27-18,313.16-7,303.19

Finding the Fourth Proportional to 13,271.27, 18,313.16 and 7,303.19

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Solution

The fourth proportional to 13,271.27, 18,313.16 and 7,303.19 is: 10,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.27 : 18,313.16 = 7,303.19 : x
  2. Step 2: Convert to fraction form
    13,271.27/18,313.16 = 7,303.19/x
  3. Step 3: Cross multiply
    13,271.27x = 18,313.16 × 7,303.19
  4. Step 4: Simplify right side
    13,271.27x = 133,744,358.90
  5. Step 5: Solve for x
    x = 133,744,358.90/13,271.27
  6. Step 6: Final answer
    x = 10,077.74

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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.