Home / 15,730.08-21,707.48-9,442.44

Finding the Fourth Proportional to 15,730.08, 21,707.48 and 9,442.44

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Solution

The fourth proportional to 15,730.08, 21,707.48 and 9,442.44 is: 13,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.08 : 21,707.48 = 9,442.44 : x
  2. Step 2: Convert to fraction form
    15,730.08/21,707.48 = 9,442.44/x
  3. Step 3: Cross multiply
    15,730.08x = 21,707.48 × 9,442.44
  4. Step 4: Simplify right side
    15,730.08x = 204,971,577.45
  5. Step 5: Solve for x
    x = 204,971,577.45/15,730.08
  6. Step 6: Final answer
    x = 13,030.55

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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.