Home / 15,706.56-21,675.48-8,633.16

Finding the Fourth Proportional to 15,706.56, 21,675.48 and 8,633.16

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Solution

The fourth proportional to 15,706.56, 21,675.48 and 8,633.16 is: 11,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.56 : 21,675.48 = 8,633.16 : x
  2. Step 2: Convert to fraction form
    15,706.56/21,675.48 = 8,633.16/x
  3. Step 3: Cross multiply
    15,706.56x = 21,675.48 × 8,633.16
  4. Step 4: Simplify right side
    15,706.56x = 187,127,886.92
  5. Step 5: Solve for x
    x = 187,127,886.92/15,706.56
  6. Step 6: Final answer
    x = 11,914.00

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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.