Home / 9,877.23-13,630.48-5,400.93

Finding the Fourth Proportional to 9,877.23, 13,630.48 and 5,400.93

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Solution

The fourth proportional to 9,877.23, 13,630.48 and 5,400.93 is: 7,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.23 : 13,630.48 = 5,400.93 : x
  2. Step 2: Convert to fraction form
    9,877.23/13,630.48 = 5,400.93/x
  3. Step 3: Cross multiply
    9,877.23x = 13,630.48 × 5,400.93
  4. Step 4: Simplify right side
    9,877.23x = 73,617,241.34
  5. Step 5: Solve for x
    x = 73,617,241.34/9,877.23
  6. Step 6: Final answer
    x = 7,453.23

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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.