Home / 12,141.95-16,756.31-7,106.64

Finding the Fourth Proportional to 12,141.95, 16,756.31 and 7,106.64

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Solution

The fourth proportional to 12,141.95, 16,756.31 and 7,106.64 is: 9,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.95 : 16,756.31 = 7,106.64 : x
  2. Step 2: Convert to fraction form
    12,141.95/16,756.31 = 7,106.64/x
  3. Step 3: Cross multiply
    12,141.95x = 16,756.31 × 7,106.64
  4. Step 4: Simplify right side
    12,141.95x = 119,081,032.12
  5. Step 5: Solve for x
    x = 119,081,032.12/12,141.95
  6. Step 6: Final answer
    x = 9,807.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.