Home / 19,389.18-29,085.37-8,295.99

Finding the Fourth Proportional to 19,389.18, 29,085.37 and 8,295.99

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Solution

The fourth proportional to 19,389.18, 29,085.37 and 8,295.99 is: 12,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.18 : 29,085.37 = 8,295.99 : x
  2. Step 2: Convert to fraction form
    19,389.18/29,085.37 = 8,295.99/x
  3. Step 3: Cross multiply
    19,389.18x = 29,085.37 × 8,295.99
  4. Step 4: Simplify right side
    19,389.18x = 241,291,808.86
  5. Step 5: Solve for x
    x = 241,291,808.86/19,389.18
  6. Step 6: Final answer
    x = 12,444.66

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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.