Home / 15,385.34-23,078.93-4,855.70

Finding the Fourth Proportional to 15,385.34, 23,078.93 and 4,855.70

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Solution

The fourth proportional to 15,385.34, 23,078.93 and 4,855.70 is: 7,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.34 : 23,078.93 = 4,855.70 : x
  2. Step 2: Convert to fraction form
    15,385.34/23,078.93 = 4,855.70/x
  3. Step 3: Cross multiply
    15,385.34x = 23,078.93 × 4,855.70
  4. Step 4: Simplify right side
    15,385.34x = 112,064,264.00
  5. Step 5: Solve for x
    x = 112,064,264.00/15,385.34
  6. Step 6: Final answer
    x = 7,283.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.