Home / 15,479.01-23,208.20-5,617.01

Finding the Fourth Proportional to 15,479.01, 23,208.20 and 5,617.01

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Solution

The fourth proportional to 15,479.01, 23,208.20 and 5,617.01 is: 8,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.01 : 23,208.20 = 5,617.01 : x
  2. Step 2: Convert to fraction form
    15,479.01/23,208.20 = 5,617.01/x
  3. Step 3: Cross multiply
    15,479.01x = 23,208.20 × 5,617.01
  4. Step 4: Simplify right side
    15,479.01x = 130,360,547.36
  5. Step 5: Solve for x
    x = 130,360,547.36/15,479.01
  6. Step 6: Final answer
    x = 8,421.76

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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.