Home / 14,292.72-21,341.34-12,802.32

Finding the Fourth Proportional to 14,292.72, 21,341.34 and 12,802.32

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Solution

The fourth proportional to 14,292.72, 21,341.34 and 12,802.32 is: 19,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.72 : 21,341.34 = 12,802.32 : x
  2. Step 2: Convert to fraction form
    14,292.72/21,341.34 = 12,802.32/x
  3. Step 3: Cross multiply
    14,292.72x = 21,341.34 × 12,802.32
  4. Step 4: Simplify right side
    14,292.72x = 273,218,663.91
  5. Step 5: Solve for x
    x = 273,218,663.91/14,292.72
  6. Step 6: Final answer
    x = 19,115.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.