Home / 19,558.53-29,337.48-7,871.45

Finding the Fourth Proportional to 19,558.53, 29,337.48 and 7,871.45

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Solution

The fourth proportional to 19,558.53, 29,337.48 and 7,871.45 is: 11,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.53 : 29,337.48 = 7,871.45 : x
  2. Step 2: Convert to fraction form
    19,558.53/29,337.48 = 7,871.45/x
  3. Step 3: Cross multiply
    19,558.53x = 29,337.48 × 7,871.45
  4. Step 4: Simplify right side
    19,558.53x = 230,928,360.26
  5. Step 5: Solve for x
    x = 230,928,360.26/19,558.53
  6. Step 6: Final answer
    x = 11,807.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.