Home / 22,980.08-31,710.54-12,907.70

Finding the Fourth Proportional to 22,980.08, 31,710.54 and 12,907.70

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Solution

The fourth proportional to 22,980.08, 31,710.54 and 12,907.70 is: 17,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.08 : 31,710.54 = 12,907.70 : x
  2. Step 2: Convert to fraction form
    22,980.08/31,710.54 = 12,907.70/x
  3. Step 3: Cross multiply
    22,980.08x = 31,710.54 × 12,907.70
  4. Step 4: Simplify right side
    22,980.08x = 409,310,137.16
  5. Step 5: Solve for x
    x = 409,310,137.16/22,980.08
  6. Step 6: Final answer
    x = 17,811.52

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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.