Home / 18,289.08-27,430.81-5,807.49

Finding the Fourth Proportional to 18,289.08, 27,430.81 and 5,807.49

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Solution

The fourth proportional to 18,289.08, 27,430.81 and 5,807.49 is: 8,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.08 : 27,430.81 = 5,807.49 : x
  2. Step 2: Convert to fraction form
    18,289.08/27,430.81 = 5,807.49/x
  3. Step 3: Cross multiply
    18,289.08x = 27,430.81 × 5,807.49
  4. Step 4: Simplify right side
    18,289.08x = 159,304,154.77
  5. Step 5: Solve for x
    x = 159,304,154.77/18,289.08
  6. Step 6: Final answer
    x = 8,710.34

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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.