Home / 12,560.84-18,756.37-10,921.16

Finding the Fourth Proportional to 12,560.84, 18,756.37 and 10,921.16

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Solution

The fourth proportional to 12,560.84, 18,756.37 and 10,921.16 is: 16,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.84 : 18,756.37 = 10,921.16 : x
  2. Step 2: Convert to fraction form
    12,560.84/18,756.37 = 10,921.16/x
  3. Step 3: Cross multiply
    12,560.84x = 18,756.37 × 10,921.16
  4. Step 4: Simplify right side
    12,560.84x = 204,841,317.79
  5. Step 5: Solve for x
    x = 204,841,317.79/12,560.84
  6. Step 6: Final answer
    x = 16,307.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.