Home / 18,421.74-25,421.96-10,038.24

Finding the Fourth Proportional to 18,421.74, 25,421.96 and 10,038.24

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Solution

The fourth proportional to 18,421.74, 25,421.96 and 10,038.24 is: 13,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.74 : 25,421.96 = 10,038.24 : x
  2. Step 2: Convert to fraction form
    18,421.74/25,421.96 = 10,038.24/x
  3. Step 3: Cross multiply
    18,421.74x = 25,421.96 × 10,038.24
  4. Step 4: Simplify right side
    18,421.74x = 255,191,735.75
  5. Step 5: Solve for x
    x = 255,191,735.75/18,421.74
  6. Step 6: Final answer
    x = 13,852.75

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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.