Home / 14,678.60-22,017.90-4,290.35

Finding the Fourth Proportional to 14,678.60, 22,017.90 and 4,290.35

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Solution

The fourth proportional to 14,678.60, 22,017.90 and 4,290.35 is: 6,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.60 : 22,017.90 = 4,290.35 : x
  2. Step 2: Convert to fraction form
    14,678.60/22,017.90 = 4,290.35/x
  3. Step 3: Cross multiply
    14,678.60x = 22,017.90 × 4,290.35
  4. Step 4: Simplify right side
    14,678.60x = 94,464,497.27
  5. Step 5: Solve for x
    x = 94,464,497.27/14,678.60
  6. Step 6: Final answer
    x = 6,435.53

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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.