Home / 17,390.90-26,088.26-5,541.92

Finding the Fourth Proportional to 17,390.90, 26,088.26 and 5,541.92

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Solution

The fourth proportional to 17,390.90, 26,088.26 and 5,541.92 is: 8,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.90 : 26,088.26 = 5,541.92 : x
  2. Step 2: Convert to fraction form
    17,390.90/26,088.26 = 5,541.92/x
  3. Step 3: Cross multiply
    17,390.90x = 26,088.26 × 5,541.92
  4. Step 4: Simplify right side
    17,390.90x = 144,579,020.71
  5. Step 5: Solve for x
    x = 144,579,020.71/17,390.90
  6. Step 6: Final answer
    x = 8,313.49

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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.