Home / 15,254.96-21,047.16-10,211.18

Finding the Fourth Proportional to 15,254.96, 21,047.16 and 10,211.18

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Solution

The fourth proportional to 15,254.96, 21,047.16 and 10,211.18 is: 14,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.96 : 21,047.16 = 10,211.18 : x
  2. Step 2: Convert to fraction form
    15,254.96/21,047.16 = 10,211.18/x
  3. Step 3: Cross multiply
    15,254.96x = 21,047.16 × 10,211.18
  4. Step 4: Simplify right side
    15,254.96x = 214,916,339.25
  5. Step 5: Solve for x
    x = 214,916,339.25/15,254.96
  6. Step 6: Final answer
    x = 14,088.29

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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.