Home / 13,598.84-18,766.50-7,630.58

Finding the Fourth Proportional to 13,598.84, 18,766.50 and 7,630.58

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Solution

The fourth proportional to 13,598.84, 18,766.50 and 7,630.58 is: 10,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.84 : 18,766.50 = 7,630.58 : x
  2. Step 2: Convert to fraction form
    13,598.84/18,766.50 = 7,630.58/x
  3. Step 3: Cross multiply
    13,598.84x = 18,766.50 × 7,630.58
  4. Step 4: Simplify right side
    13,598.84x = 143,199,279.57
  5. Step 5: Solve for x
    x = 143,199,279.57/13,598.84
  6. Step 6: Final answer
    x = 10,530.26

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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.