Home / 12,756.16-19,133.72-4,438.08

Finding the Fourth Proportional to 12,756.16, 19,133.72 and 4,438.08

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Solution

The fourth proportional to 12,756.16, 19,133.72 and 4,438.08 is: 6,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.16 : 19,133.72 = 4,438.08 : x
  2. Step 2: Convert to fraction form
    12,756.16/19,133.72 = 4,438.08/x
  3. Step 3: Cross multiply
    12,756.16x = 19,133.72 × 4,438.08
  4. Step 4: Simplify right side
    12,756.16x = 84,916,980.06
  5. Step 5: Solve for x
    x = 84,916,980.06/12,756.16
  6. Step 6: Final answer
    x = 6,656.94

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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.