Home / 14,427.24-19,901.54-9,120.04

Finding the Fourth Proportional to 14,427.24, 19,901.54 and 9,120.04

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Solution

The fourth proportional to 14,427.24, 19,901.54 and 9,120.04 is: 12,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.24 : 19,901.54 = 9,120.04 : x
  2. Step 2: Convert to fraction form
    14,427.24/19,901.54 = 9,120.04/x
  3. Step 3: Cross multiply
    14,427.24x = 19,901.54 × 9,120.04
  4. Step 4: Simplify right side
    14,427.24x = 181,502,840.86
  5. Step 5: Solve for x
    x = 181,502,840.86/14,427.24
  6. Step 6: Final answer
    x = 12,580.57

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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.