Home / 14,022.66-21,030.40-4,159.63

Finding the Fourth Proportional to 14,022.66, 21,030.40 and 4,159.63

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Solution

The fourth proportional to 14,022.66, 21,030.40 and 4,159.63 is: 6,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.66 : 21,030.40 = 4,159.63 : x
  2. Step 2: Convert to fraction form
    14,022.66/21,030.40 = 4,159.63/x
  3. Step 3: Cross multiply
    14,022.66x = 21,030.40 × 4,159.63
  4. Step 4: Simplify right side
    14,022.66x = 87,478,682.75
  5. Step 5: Solve for x
    x = 87,478,682.75/14,022.66
  6. Step 6: Final answer
    x = 6,238.38

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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.