Home / 19,557.90-26,990.01-10,605.34

Finding the Fourth Proportional to 19,557.90, 26,990.01 and 10,605.34

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Solution

The fourth proportional to 19,557.90, 26,990.01 and 10,605.34 is: 14,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.90 : 26,990.01 = 10,605.34 : x
  2. Step 2: Convert to fraction form
    19,557.90/26,990.01 = 10,605.34/x
  3. Step 3: Cross multiply
    19,557.90x = 26,990.01 × 10,605.34
  4. Step 4: Simplify right side
    19,557.90x = 286,238,266.39
  5. Step 5: Solve for x
    x = 286,238,266.39/19,557.90
  6. Step 6: Final answer
    x = 14,635.43

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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.