Home / 14,710.01-20,291.31-9,330.39

Finding the Fourth Proportional to 14,710.01, 20,291.31 and 9,330.39

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Solution

The fourth proportional to 14,710.01, 20,291.31 and 9,330.39 is: 12,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.01 : 20,291.31 = 9,330.39 : x
  2. Step 2: Convert to fraction form
    14,710.01/20,291.31 = 9,330.39/x
  3. Step 3: Cross multiply
    14,710.01x = 20,291.31 × 9,330.39
  4. Step 4: Simplify right side
    14,710.01x = 189,325,835.91
  5. Step 5: Solve for x
    x = 189,325,835.91/14,710.01
  6. Step 6: Final answer
    x = 12,870.55

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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.