Home / 16,420.08-22,659.74-9,346.50

Finding the Fourth Proportional to 16,420.08, 22,659.74 and 9,346.50

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Solution

The fourth proportional to 16,420.08, 22,659.74 and 9,346.50 is: 12,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.08 : 22,659.74 = 9,346.50 : x
  2. Step 2: Convert to fraction form
    16,420.08/22,659.74 = 9,346.50/x
  3. Step 3: Cross multiply
    16,420.08x = 22,659.74 × 9,346.50
  4. Step 4: Simplify right side
    16,420.08x = 211,789,248.23
  5. Step 5: Solve for x
    x = 211,789,248.23/16,420.08
  6. Step 6: Final answer
    x = 12,898.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.