Home / 13,050.80-18,009.72-7,082.16

Finding the Fourth Proportional to 13,050.80, 18,009.72 and 7,082.16

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Solution

The fourth proportional to 13,050.80, 18,009.72 and 7,082.16 is: 9,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.80 : 18,009.72 = 7,082.16 : x
  2. Step 2: Convert to fraction form
    13,050.80/18,009.72 = 7,082.16/x
  3. Step 3: Cross multiply
    13,050.80x = 18,009.72 × 7,082.16
  4. Step 4: Simplify right side
    13,050.80x = 127,547,718.60
  5. Step 5: Solve for x
    x = 127,547,718.60/13,050.80
  6. Step 6: Final answer
    x = 9,773.17

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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.