Home / 14,281.68-21,425.56-4,420.74

Finding the Fourth Proportional to 14,281.68, 21,425.56 and 4,420.74

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Solution

The fourth proportional to 14,281.68, 21,425.56 and 4,420.74 is: 6,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.68 : 21,425.56 = 4,420.74 : x
  2. Step 2: Convert to fraction form
    14,281.68/21,425.56 = 4,420.74/x
  3. Step 3: Cross multiply
    14,281.68x = 21,425.56 × 4,420.74
  4. Step 4: Simplify right side
    14,281.68x = 94,716,830.11
  5. Step 5: Solve for x
    x = 94,716,830.11/14,281.68
  6. Step 6: Final answer
    x = 6,632.05

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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.