Home / 14,180.58-21,220.74-10,423.53

Finding the Fourth Proportional to 14,180.58, 21,220.74 and 10,423.53

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Solution

The fourth proportional to 14,180.58, 21,220.74 and 10,423.53 is: 15,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.58 : 21,220.74 = 10,423.53 : x
  2. Step 2: Convert to fraction form
    14,180.58/21,220.74 = 10,423.53/x
  3. Step 3: Cross multiply
    14,180.58x = 21,220.74 × 10,423.53
  4. Step 4: Simplify right side
    14,180.58x = 221,195,020.01
  5. Step 5: Solve for x
    x = 221,195,020.01/14,180.58
  6. Step 6: Final answer
    x = 15,598.45

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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.