Home / 18,779.07-25,914.23-10,281.06

Finding the Fourth Proportional to 18,779.07, 25,914.23 and 10,281.06

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Solution

The fourth proportional to 18,779.07, 25,914.23 and 10,281.06 is: 14,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.07 : 25,914.23 = 10,281.06 : x
  2. Step 2: Convert to fraction form
    18,779.07/25,914.23 = 10,281.06/x
  3. Step 3: Cross multiply
    18,779.07x = 25,914.23 × 10,281.06
  4. Step 4: Simplify right side
    18,779.07x = 266,425,702.08
  5. Step 5: Solve for x
    x = 266,425,702.08/18,779.07
  6. Step 6: Final answer
    x = 14,187.37

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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.