Home / 30,614.64-45,911.40-11,890.26

Finding the Fourth Proportional to 30,614.64, 45,911.40 and 11,890.26

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Solution

The fourth proportional to 30,614.64, 45,911.40 and 11,890.26 is: 17,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.64 : 45,911.40 = 11,890.26 : x
  2. Step 2: Convert to fraction form
    30,614.64/45,911.40 = 11,890.26/x
  3. Step 3: Cross multiply
    30,614.64x = 45,911.40 × 11,890.26
  4. Step 4: Simplify right side
    30,614.64x = 545,898,482.96
  5. Step 5: Solve for x
    x = 545,898,482.96/30,614.64
  6. Step 6: Final answer
    x = 17,831.29

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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.