Home / 16,706.55-23,030.63-12,720.75

Finding the Fourth Proportional to 16,706.55, 23,030.63 and 12,720.75

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Solution

The fourth proportional to 16,706.55, 23,030.63 and 12,720.75 is: 17,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706.55 : 23,030.63 = 12,720.75 : x
  2. Step 2: Convert to fraction form
    16,706.55/23,030.63 = 12,720.75/x
  3. Step 3: Cross multiply
    16,706.55x = 23,030.63 × 12,720.75
  4. Step 4: Simplify right side
    16,706.55x = 292,966,784.31
  5. Step 5: Solve for x
    x = 292,966,784.31/16,706.55
  6. Step 6: Final answer
    x = 17,536.04

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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.