Home / 14,351.61-21,526.20-4,989.23

Finding the Fourth Proportional to 14,351.61, 21,526.20 and 4,989.23

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Solution

The fourth proportional to 14,351.61, 21,526.20 and 4,989.23 is: 7,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.61 : 21,526.20 = 4,989.23 : x
  2. Step 2: Convert to fraction form
    14,351.61/21,526.20 = 4,989.23/x
  3. Step 3: Cross multiply
    14,351.61x = 21,526.20 × 4,989.23
  4. Step 4: Simplify right side
    14,351.61x = 107,399,055.20
  5. Step 5: Solve for x
    x = 107,399,055.20/14,351.61
  6. Step 6: Final answer
    x = 7,483.42

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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.