Home / 12,561.02-17,334.14-6,895.87

Finding the Fourth Proportional to 12,561.02, 17,334.14 and 6,895.87

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Solution

The fourth proportional to 12,561.02, 17,334.14 and 6,895.87 is: 9,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.02 : 17,334.14 = 6,895.87 : x
  2. Step 2: Convert to fraction form
    12,561.02/17,334.14 = 6,895.87/x
  3. Step 3: Cross multiply
    12,561.02x = 17,334.14 × 6,895.87
  4. Step 4: Simplify right side
    12,561.02x = 119,533,956.37
  5. Step 5: Solve for x
    x = 119,533,956.37/12,561.02
  6. Step 6: Final answer
    x = 9,516.26

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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.