Home / 14,328.63-21,487.48-5,561.49

Finding the Fourth Proportional to 14,328.63, 21,487.48 and 5,561.49

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Solution

The fourth proportional to 14,328.63, 21,487.48 and 5,561.49 is: 8,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.63 : 21,487.48 = 5,561.49 : x
  2. Step 2: Convert to fraction form
    14,328.63/21,487.48 = 5,561.49/x
  3. Step 3: Cross multiply
    14,328.63x = 21,487.48 × 5,561.49
  4. Step 4: Simplify right side
    14,328.63x = 119,502,391.24
  5. Step 5: Solve for x
    x = 119,502,391.24/14,328.63
  6. Step 6: Final answer
    x = 8,340.11

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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.