Home / 12,547.03-18,827.84-4,756.45

Finding the Fourth Proportional to 12,547.03, 18,827.84 and 4,756.45

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Solution

The fourth proportional to 12,547.03, 18,827.84 and 4,756.45 is: 7,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.03 : 18,827.84 = 4,756.45 : x
  2. Step 2: Convert to fraction form
    12,547.03/18,827.84 = 4,756.45/x
  3. Step 3: Cross multiply
    12,547.03x = 18,827.84 × 4,756.45
  4. Step 4: Simplify right side
    12,547.03x = 89,553,679.57
  5. Step 5: Solve for x
    x = 89,553,679.57/12,547.03
  6. Step 6: Final answer
    x = 7,137.44

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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.