Home / 14,784.90-22,140.90-9,827.70

Finding the Fourth Proportional to 14,784.90, 22,140.90 and 9,827.70

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Solution

The fourth proportional to 14,784.90, 22,140.90 and 9,827.70 is: 14,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.90 : 22,140.90 = 9,827.70 : x
  2. Step 2: Convert to fraction form
    14,784.90/22,140.90 = 9,827.70/x
  3. Step 3: Cross multiply
    14,784.90x = 22,140.90 × 9,827.70
  4. Step 4: Simplify right side
    14,784.90x = 217,594,122.93
  5. Step 5: Solve for x
    x = 217,594,122.93/14,784.90
  6. Step 6: Final answer
    x = 14,717.32

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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.