Home / 15,259.29-21,056.75-10,222.69

Finding the Fourth Proportional to 15,259.29, 21,056.75 and 10,222.69

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Solution

The fourth proportional to 15,259.29, 21,056.75 and 10,222.69 is: 14,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.29 : 21,056.75 = 10,222.69 : x
  2. Step 2: Convert to fraction form
    15,259.29/21,056.75 = 10,222.69/x
  3. Step 3: Cross multiply
    15,259.29x = 21,056.75 × 10,222.69
  4. Step 4: Simplify right side
    15,259.29x = 215,256,627.66
  5. Step 5: Solve for x
    x = 215,256,627.66/15,259.29
  6. Step 6: Final answer
    x = 14,106.60

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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.