Home / 15,128.40-22,701.48-6,362.64

Finding the Fourth Proportional to 15,128.40, 22,701.48 and 6,362.64

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Solution

The fourth proportional to 15,128.40, 22,701.48 and 6,362.64 is: 9,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.40 : 22,701.48 = 6,362.64 : x
  2. Step 2: Convert to fraction form
    15,128.40/22,701.48 = 6,362.64/x
  3. Step 3: Cross multiply
    15,128.40x = 22,701.48 × 6,362.64
  4. Step 4: Simplify right side
    15,128.40x = 144,441,344.71
  5. Step 5: Solve for x
    x = 144,441,344.71/15,128.40
  6. Step 6: Final answer
    x = 9,547.69

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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.