Home / 16,477.04-22,739.28-9,405.74

Finding the Fourth Proportional to 16,477.04, 22,739.28 and 9,405.74

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Solution

The fourth proportional to 16,477.04, 22,739.28 and 9,405.74 is: 12,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.04 : 22,739.28 = 9,405.74 : x
  2. Step 2: Convert to fraction form
    16,477.04/22,739.28 = 9,405.74/x
  3. Step 3: Cross multiply
    16,477.04x = 22,739.28 × 9,405.74
  4. Step 4: Simplify right side
    16,477.04x = 213,879,755.47
  5. Step 5: Solve for x
    x = 213,879,755.47/16,477.04
  6. Step 6: Final answer
    x = 12,980.47

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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.