Home / 15,416.06-21,277.49-10,045.22

Finding the Fourth Proportional to 15,416.06, 21,277.49 and 10,045.22

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Solution

The fourth proportional to 15,416.06, 21,277.49 and 10,045.22 is: 13,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.06 : 21,277.49 = 10,045.22 : x
  2. Step 2: Convert to fraction form
    15,416.06/21,277.49 = 10,045.22/x
  3. Step 3: Cross multiply
    15,416.06x = 21,277.49 × 10,045.22
  4. Step 4: Simplify right side
    15,416.06x = 213,736,911.48
  5. Step 5: Solve for x
    x = 213,736,911.48/15,416.06
  6. Step 6: Final answer
    x = 13,864.57

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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.