Home / 19,818.63-27,348.48-10,864.40

Finding the Fourth Proportional to 19,818.63, 27,348.48 and 10,864.40

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Solution

The fourth proportional to 19,818.63, 27,348.48 and 10,864.40 is: 14,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.63 : 27,348.48 = 10,864.40 : x
  2. Step 2: Convert to fraction form
    19,818.63/27,348.48 = 10,864.40/x
  3. Step 3: Cross multiply
    19,818.63x = 27,348.48 × 10,864.40
  4. Step 4: Simplify right side
    19,818.63x = 297,124,689.37
  5. Step 5: Solve for x
    x = 297,124,689.37/19,818.63
  6. Step 6: Final answer
    x = 14,992.19

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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.