Home / 19,316.07-28,973.90-7,629.19

Finding the Fourth Proportional to 19,316.07, 28,973.90 and 7,629.19

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Solution

The fourth proportional to 19,316.07, 28,973.90 and 7,629.19 is: 11,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.07 : 28,973.90 = 7,629.19 : x
  2. Step 2: Convert to fraction form
    19,316.07/28,973.90 = 7,629.19/x
  3. Step 3: Cross multiply
    19,316.07x = 28,973.90 × 7,629.19
  4. Step 4: Simplify right side
    19,316.07x = 221,047,334.78
  5. Step 5: Solve for x
    x = 221,047,334.78/19,316.07
  6. Step 6: Final answer
    x = 11,443.70

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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.