Home / 19,547.81-29,321.72-4,756.74

Finding the Fourth Proportional to 19,547.81, 29,321.72 and 4,756.74

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Solution

The fourth proportional to 19,547.81, 29,321.72 and 4,756.74 is: 7,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.81 : 29,321.72 = 4,756.74 : x
  2. Step 2: Convert to fraction form
    19,547.81/29,321.72 = 4,756.74/x
  3. Step 3: Cross multiply
    19,547.81x = 29,321.72 × 4,756.74
  4. Step 4: Simplify right side
    19,547.81x = 139,475,798.39
  5. Step 5: Solve for x
    x = 139,475,798.39/19,547.81
  6. Step 6: Final answer
    x = 7,135.11

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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.