Home / 13,892.48-20,838.08-4,658.56

Finding the Fourth Proportional to 13,892.48, 20,838.08 and 4,658.56

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Solution

The fourth proportional to 13,892.48, 20,838.08 and 4,658.56 is: 6,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.48 : 20,838.08 = 4,658.56 : x
  2. Step 2: Convert to fraction form
    13,892.48/20,838.08 = 4,658.56/x
  3. Step 3: Cross multiply
    13,892.48x = 20,838.08 × 4,658.56
  4. Step 4: Simplify right side
    13,892.48x = 97,075,445.96
  5. Step 5: Solve for x
    x = 97,075,445.96/13,892.48
  6. Step 6: Final answer
    x = 6,987.63

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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.