Home / 13,015.60-17,970-10,026.16

Finding the Fourth Proportional to 13,015.60, 17,970 and 10,026.16

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Solution

The fourth proportional to 13,015.60, 17,970 and 10,026.16 is: 13,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.60 : 17,970 = 10,026.16 : x
  2. Step 2: Convert to fraction form
    13,015.60/17,970 = 10,026.16/x
  3. Step 3: Cross multiply
    13,015.60x = 17,970 × 10,026.16
  4. Step 4: Simplify right side
    13,015.60x = 180,170,095.20
  5. Step 5: Solve for x
    x = 180,170,095.20/13,015.60
  6. Step 6: Final answer
    x = 13,842.63

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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.