Home / 15,438.84-23,158.09-4,345.53

Finding the Fourth Proportional to 15,438.84, 23,158.09 and 4,345.53

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Solution

The fourth proportional to 15,438.84, 23,158.09 and 4,345.53 is: 6,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.84 : 23,158.09 = 4,345.53 : x
  2. Step 2: Convert to fraction form
    15,438.84/23,158.09 = 4,345.53/x
  3. Step 3: Cross multiply
    15,438.84x = 23,158.09 × 4,345.53
  4. Step 4: Simplify right side
    15,438.84x = 100,634,174.84
  5. Step 5: Solve for x
    x = 100,634,174.84/15,438.84
  6. Step 6: Final answer
    x = 6,518.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.