Home / 13,315.98-18,377.08-7,348.16

Finding the Fourth Proportional to 13,315.98, 18,377.08 and 7,348.16

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Solution

The fourth proportional to 13,315.98, 18,377.08 and 7,348.16 is: 10,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.98 : 18,377.08 = 7,348.16 : x
  2. Step 2: Convert to fraction form
    13,315.98/18,377.08 = 7,348.16/x
  3. Step 3: Cross multiply
    13,315.98x = 18,377.08 × 7,348.16
  4. Step 4: Simplify right side
    13,315.98x = 135,037,724.17
  5. Step 5: Solve for x
    x = 135,037,724.17/13,315.98
  6. Step 6: Final answer
    x = 10,141.03

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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.