Home / 13,119.39-19,686.58-4,798.26

Finding the Fourth Proportional to 13,119.39, 19,686.58 and 4,798.26

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Solution

The fourth proportional to 13,119.39, 19,686.58 and 4,798.26 is: 7,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.39 : 19,686.58 = 4,798.26 : x
  2. Step 2: Convert to fraction form
    13,119.39/19,686.58 = 4,798.26/x
  3. Step 3: Cross multiply
    13,119.39x = 19,686.58 × 4,798.26
  4. Step 4: Simplify right side
    13,119.39x = 94,461,317.36
  5. Step 5: Solve for x
    x = 94,461,317.36/13,119.39
  6. Step 6: Final answer
    x = 7,200.13

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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.