Home / 13,482.98-18,606.61-7,515.04

Finding the Fourth Proportional to 13,482.98, 18,606.61 and 7,515.04

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Solution

The fourth proportional to 13,482.98, 18,606.61 and 7,515.04 is: 10,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.98 : 18,606.61 = 7,515.04 : x
  2. Step 2: Convert to fraction form
    13,482.98/18,606.61 = 7,515.04/x
  3. Step 3: Cross multiply
    13,482.98x = 18,606.61 × 7,515.04
  4. Step 4: Simplify right side
    13,482.98x = 139,829,325.38
  5. Step 5: Solve for x
    x = 139,829,325.38/13,482.98
  6. Step 6: Final answer
    x = 10,370.80

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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.