Home / 9,920.02-14,880.64-3,167.05

Finding the Fourth Proportional to 9,920.02, 14,880.64 and 3,167.05

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Solution

The fourth proportional to 9,920.02, 14,880.64 and 3,167.05 is: 4,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.02 : 14,880.64 = 3,167.05 : x
  2. Step 2: Convert to fraction form
    9,920.02/14,880.64 = 3,167.05/x
  3. Step 3: Cross multiply
    9,920.02x = 14,880.64 × 3,167.05
  4. Step 4: Simplify right side
    9,920.02x = 47,127,710.72
  5. Step 5: Solve for x
    x = 47,127,710.72/9,920.02
  6. Step 6: Final answer
    x = 4,750.77

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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.