Home / 15,280.84-20,929.52-14,384.20

Finding the Fourth Proportional to 15,280.84, 20,929.52 and 14,384.20

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Solution

The fourth proportional to 15,280.84, 20,929.52 and 14,384.20 is: 19,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.84 : 20,929.52 = 14,384.20 : x
  2. Step 2: Convert to fraction form
    15,280.84/20,929.52 = 14,384.20/x
  3. Step 3: Cross multiply
    15,280.84x = 20,929.52 × 14,384.20
  4. Step 4: Simplify right side
    15,280.84x = 301,054,401.58
  5. Step 5: Solve for x
    x = 301,054,401.58/15,280.84
  6. Step 6: Final answer
    x = 19,701.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.