Home / 14,027.53-19,358.40-7,740.31

Finding the Fourth Proportional to 14,027.53, 19,358.40 and 7,740.31

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Solution

The fourth proportional to 14,027.53, 19,358.40 and 7,740.31 is: 10,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.53 : 19,358.40 = 7,740.31 : x
  2. Step 2: Convert to fraction form
    14,027.53/19,358.40 = 7,740.31/x
  3. Step 3: Cross multiply
    14,027.53x = 19,358.40 × 7,740.31
  4. Step 4: Simplify right side
    14,027.53x = 149,840,041.30
  5. Step 5: Solve for x
    x = 149,840,041.30/14,027.53
  6. Step 6: Final answer
    x = 10,681.85

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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.