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Finding the Fourth Proportional to 14,111.07, 19,473 and 7,737.48

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Solution

The fourth proportional to 14,111.07, 19,473 and 7,737.48 is: 10,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.07 : 19,473 = 7,737.48 : x
  2. Step 2: Convert to fraction form
    14,111.07/19,473 = 7,737.48/x
  3. Step 3: Cross multiply
    14,111.07x = 19,473 × 7,737.48
  4. Step 4: Simplify right side
    14,111.07x = 150,671,948.04
  5. Step 5: Solve for x
    x = 150,671,948.04/14,111.07
  6. Step 6: Final answer
    x = 10,677.57

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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.