Home / 15,322.87-21,154.43-10,026.93

Finding the Fourth Proportional to 15,322.87, 21,154.43 and 10,026.93

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Solution

The fourth proportional to 15,322.87, 21,154.43 and 10,026.93 is: 13,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.87 : 21,154.43 = 10,026.93 : x
  2. Step 2: Convert to fraction form
    15,322.87/21,154.43 = 10,026.93/x
  3. Step 3: Cross multiply
    15,322.87x = 21,154.43 × 10,026.93
  4. Step 4: Simplify right side
    15,322.87x = 212,113,988.80
  5. Step 5: Solve for x
    x = 212,113,988.80/15,322.87
  6. Step 6: Final answer
    x = 13,842.97

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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.