Home / 14,277.60-19,702.68-7,904.46

Finding the Fourth Proportional to 14,277.60, 19,702.68 and 7,904.46

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Solution

The fourth proportional to 14,277.60, 19,702.68 and 7,904.46 is: 10,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.60 : 19,702.68 = 7,904.46 : x
  2. Step 2: Convert to fraction form
    14,277.60/19,702.68 = 7,904.46/x
  3. Step 3: Cross multiply
    14,277.60x = 19,702.68 × 7,904.46
  4. Step 4: Simplify right side
    14,277.60x = 155,739,045.95
  5. Step 5: Solve for x
    x = 155,739,045.95/14,277.60
  6. Step 6: Final answer
    x = 10,907.93

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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.