Home / 19,005.93-28,510.07-7,319.16

Finding the Fourth Proportional to 19,005.93, 28,510.07 and 7,319.16

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Solution

The fourth proportional to 19,005.93, 28,510.07 and 7,319.16 is: 10,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.93 : 28,510.07 = 7,319.16 : x
  2. Step 2: Convert to fraction form
    19,005.93/28,510.07 = 7,319.16/x
  3. Step 3: Cross multiply
    19,005.93x = 28,510.07 × 7,319.16
  4. Step 4: Simplify right side
    19,005.93x = 208,669,727.35
  5. Step 5: Solve for x
    x = 208,669,727.35/19,005.93
  6. Step 6: Final answer
    x = 10,979.19

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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.