Home / 19,017.17-26,235.65-12,731.57

Finding the Fourth Proportional to 19,017.17, 26,235.65 and 12,731.57

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Solution

The fourth proportional to 19,017.17, 26,235.65 and 12,731.57 is: 17,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.17 : 26,235.65 = 12,731.57 : x
  2. Step 2: Convert to fraction form
    19,017.17/26,235.65 = 12,731.57/x
  3. Step 3: Cross multiply
    19,017.17x = 26,235.65 × 12,731.57
  4. Step 4: Simplify right side
    19,017.17x = 334,020,819.63
  5. Step 5: Solve for x
    x = 334,020,819.63/19,017.17
  6. Step 6: Final answer
    x = 17,564.18

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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.