Home / 13,112.08-19,666.84-4,798.16

Finding the Fourth Proportional to 13,112.08, 19,666.84 and 4,798.16

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Solution

The fourth proportional to 13,112.08, 19,666.84 and 4,798.16 is: 7,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.08 : 19,666.84 = 4,798.16 : x
  2. Step 2: Convert to fraction form
    13,112.08/19,666.84 = 4,798.16/x
  3. Step 3: Cross multiply
    13,112.08x = 19,666.84 × 4,798.16
  4. Step 4: Simplify right side
    13,112.08x = 94,364,645.01
  5. Step 5: Solve for x
    x = 94,364,645.01/13,112.08
  6. Step 6: Final answer
    x = 7,196.77

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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.