Home / 15,394.10-23,054.49-9,830.21

Finding the Fourth Proportional to 15,394.10, 23,054.49 and 9,830.21

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Solution

The fourth proportional to 15,394.10, 23,054.49 and 9,830.21 is: 14,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394.10 : 23,054.49 = 9,830.21 : x
  2. Step 2: Convert to fraction form
    15,394.10/23,054.49 = 9,830.21/x
  3. Step 3: Cross multiply
    15,394.10x = 23,054.49 × 9,830.21
  4. Step 4: Simplify right side
    15,394.10x = 226,630,362.87
  5. Step 5: Solve for x
    x = 226,630,362.87/15,394.10
  6. Step 6: Final answer
    x = 14,721.90

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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.