Home / 18,289.08-27,430.79-5,807.48

Finding the Fourth Proportional to 18,289.08, 27,430.79 and 5,807.48

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Solution

The fourth proportional to 18,289.08, 27,430.79 and 5,807.48 is: 8,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.08 : 27,430.79 = 5,807.48 : x
  2. Step 2: Convert to fraction form
    18,289.08/27,430.79 = 5,807.48/x
  3. Step 3: Cross multiply
    18,289.08x = 27,430.79 × 5,807.48
  4. Step 4: Simplify right side
    18,289.08x = 159,303,598.12
  5. Step 5: Solve for x
    x = 159,303,598.12/18,289.08
  6. Step 6: Final answer
    x = 8,710.31

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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.