Home / 18,386.90-27,574.16-5,903.86

Finding the Fourth Proportional to 18,386.90, 27,574.16 and 5,903.86

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Solution

The fourth proportional to 18,386.90, 27,574.16 and 5,903.86 is: 8,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.90 : 27,574.16 = 5,903.86 : x
  2. Step 2: Convert to fraction form
    18,386.90/27,574.16 = 5,903.86/x
  3. Step 3: Cross multiply
    18,386.90x = 27,574.16 × 5,903.86
  4. Step 4: Simplify right side
    18,386.90x = 162,793,980.26
  5. Step 5: Solve for x
    x = 162,793,980.26/18,386.90
  6. Step 6: Final answer
    x = 8,853.80

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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.