Home / 14,328.90-19,771.18-8,359.08

Finding the Fourth Proportional to 14,328.90, 19,771.18 and 8,359.08

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Solution

The fourth proportional to 14,328.90, 19,771.18 and 8,359.08 is: 11,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.90 : 19,771.18 = 8,359.08 : x
  2. Step 2: Convert to fraction form
    14,328.90/19,771.18 = 8,359.08/x
  3. Step 3: Cross multiply
    14,328.90x = 19,771.18 × 8,359.08
  4. Step 4: Simplify right side
    14,328.90x = 165,268,875.31
  5. Step 5: Solve for x
    x = 165,268,875.31/14,328.90
  6. Step 6: Final answer
    x = 11,533.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.