Home / 18,631.63-25,711.98-10,133.94

Finding the Fourth Proportional to 18,631.63, 25,711.98 and 10,133.94

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Solution

The fourth proportional to 18,631.63, 25,711.98 and 10,133.94 is: 13,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.63 : 25,711.98 = 10,133.94 : x
  2. Step 2: Convert to fraction form
    18,631.63/25,711.98 = 10,133.94/x
  3. Step 3: Cross multiply
    18,631.63x = 25,711.98 × 10,133.94
  4. Step 4: Simplify right side
    18,631.63x = 260,563,483.37
  5. Step 5: Solve for x
    x = 260,563,483.37/18,631.63
  6. Step 6: Final answer
    x = 13,985.01

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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.