Home / 14,027.86-19,358.55-7,740.46

Finding the Fourth Proportional to 14,027.86, 19,358.55 and 7,740.46

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Solution

The fourth proportional to 14,027.86, 19,358.55 and 7,740.46 is: 10,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.86 : 19,358.55 = 7,740.46 : x
  2. Step 2: Convert to fraction form
    14,027.86/19,358.55 = 7,740.46/x
  3. Step 3: Cross multiply
    14,027.86x = 19,358.55 × 7,740.46
  4. Step 4: Simplify right side
    14,027.86x = 149,844,081.93
  5. Step 5: Solve for x
    x = 149,844,081.93/14,027.86
  6. Step 6: Final answer
    x = 10,681.89

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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.