Home / 18,599.04-25,663.98-10,639.77

Finding the Fourth Proportional to 18,599.04, 25,663.98 and 10,639.77

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Solution

The fourth proportional to 18,599.04, 25,663.98 and 10,639.77 is: 14,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.04 : 25,663.98 = 10,639.77 : x
  2. Step 2: Convert to fraction form
    18,599.04/25,663.98 = 10,639.77/x
  3. Step 3: Cross multiply
    18,599.04x = 25,663.98 × 10,639.77
  4. Step 4: Simplify right side
    18,599.04x = 273,058,844.48
  5. Step 5: Solve for x
    x = 273,058,844.48/18,599.04
  6. Step 6: Final answer
    x = 14,681.34

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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.