Home / 21,063.44-29,054.53-12,560.10

Finding the Fourth Proportional to 21,063.44, 29,054.53 and 12,560.10

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Solution

The fourth proportional to 21,063.44, 29,054.53 and 12,560.10 is: 17,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.44 : 29,054.53 = 12,560.10 : x
  2. Step 2: Convert to fraction form
    21,063.44/29,054.53 = 12,560.10/x
  3. Step 3: Cross multiply
    21,063.44x = 29,054.53 × 12,560.10
  4. Step 4: Simplify right side
    21,063.44x = 364,927,802.25
  5. Step 5: Solve for x
    x = 364,927,802.25/21,063.44
  6. Step 6: Final answer
    x = 17,325.18

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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.