Home / 14,030.08-19,367.04-8,440

Finding the Fourth Proportional to 14,030.08, 19,367.04 and 8,440

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Solution

The fourth proportional to 14,030.08, 19,367.04 and 8,440 is: 11,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.08 : 19,367.04 = 8,440 : x
  2. Step 2: Convert to fraction form
    14,030.08/19,367.04 = 8,440/x
  3. Step 3: Cross multiply
    14,030.08x = 19,367.04 × 8,440
  4. Step 4: Simplify right side
    14,030.08x = 163,457,817.60
  5. Step 5: Solve for x
    x = 163,457,817.60/14,030.08
  6. Step 6: Final answer
    x = 11,650.53

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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.