Home / 19,349.34-26,699.10-10,851.90

Finding the Fourth Proportional to 19,349.34, 26,699.10 and 10,851.90

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Solution

The fourth proportional to 19,349.34, 26,699.10 and 10,851.90 is: 14,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.34 : 26,699.10 = 10,851.90 : x
  2. Step 2: Convert to fraction form
    19,349.34/26,699.10 = 10,851.90/x
  3. Step 3: Cross multiply
    19,349.34x = 26,699.10 × 10,851.90
  4. Step 4: Simplify right side
    19,349.34x = 289,735,963.29
  5. Step 5: Solve for x
    x = 289,735,963.29/19,349.34
  6. Step 6: Final answer
    x = 14,973.95

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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.