Home / 14,000.55-21,000.83-11,886.45

Finding the Fourth Proportional to 14,000.55, 21,000.83 and 11,886.45

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Solution

The fourth proportional to 14,000.55, 21,000.83 and 11,886.45 is: 17,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.55 : 21,000.83 = 11,886.45 : x
  2. Step 2: Convert to fraction form
    14,000.55/21,000.83 = 11,886.45/x
  3. Step 3: Cross multiply
    14,000.55x = 21,000.83 × 11,886.45
  4. Step 4: Simplify right side
    14,000.55x = 249,625,256.32
  5. Step 5: Solve for x
    x = 249,625,256.32/14,000.55
  6. Step 6: Final answer
    x = 17,829.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.