Home / 13,292.44-18,341.04-7,985.32

Finding the Fourth Proportional to 13,292.44, 18,341.04 and 7,985.32

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Solution

The fourth proportional to 13,292.44, 18,341.04 and 7,985.32 is: 11,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.44 : 18,341.04 = 7,985.32 : x
  2. Step 2: Convert to fraction form
    13,292.44/18,341.04 = 7,985.32/x
  3. Step 3: Cross multiply
    13,292.44x = 18,341.04 × 7,985.32
  4. Step 4: Simplify right side
    13,292.44x = 146,459,073.53
  5. Step 5: Solve for x
    x = 146,459,073.53/13,292.44
  6. Step 6: Final answer
    x = 11,018.22

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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.