Home / 16,920.60-25,332.30-10,359.60

Finding the Fourth Proportional to 16,920.60, 25,332.30 and 10,359.60

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Solution

The fourth proportional to 16,920.60, 25,332.30 and 10,359.60 is: 15,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.60 : 25,332.30 = 10,359.60 : x
  2. Step 2: Convert to fraction form
    16,920.60/25,332.30 = 10,359.60/x
  3. Step 3: Cross multiply
    16,920.60x = 25,332.30 × 10,359.60
  4. Step 4: Simplify right side
    16,920.60x = 262,432,495.08
  5. Step 5: Solve for x
    x = 262,432,495.08/16,920.60
  6. Step 6: Final answer
    x = 15,509.64

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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.