Home / 18,439.67-25,446.74-10,482.40

Finding the Fourth Proportional to 18,439.67, 25,446.74 and 10,482.40

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Solution

The fourth proportional to 18,439.67, 25,446.74 and 10,482.40 is: 14,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.67 : 25,446.74 = 10,482.40 : x
  2. Step 2: Convert to fraction form
    18,439.67/25,446.74 = 10,482.40/x
  3. Step 3: Cross multiply
    18,439.67x = 25,446.74 × 10,482.40
  4. Step 4: Simplify right side
    18,439.67x = 266,742,886.77
  5. Step 5: Solve for x
    x = 266,742,886.77/18,439.67
  6. Step 6: Final answer
    x = 14,465.71

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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.