Home / 14,054.15-19,394.40-7,680.46

Finding the Fourth Proportional to 14,054.15, 19,394.40 and 7,680.46

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Solution

The fourth proportional to 14,054.15, 19,394.40 and 7,680.46 is: 10,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.15 : 19,394.40 = 7,680.46 : x
  2. Step 2: Convert to fraction form
    14,054.15/19,394.40 = 7,680.46/x
  3. Step 3: Cross multiply
    14,054.15x = 19,394.40 × 7,680.46
  4. Step 4: Simplify right side
    14,054.15x = 148,957,913.42
  5. Step 5: Solve for x
    x = 148,957,913.42/14,054.15
  6. Step 6: Final answer
    x = 10,598.86

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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.