Home / 13,308.47-19,966.08-4,988.51

Finding the Fourth Proportional to 13,308.47, 19,966.08 and 4,988.51

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Solution

The fourth proportional to 13,308.47, 19,966.08 and 4,988.51 is: 7,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.47 : 19,966.08 = 4,988.51 : x
  2. Step 2: Convert to fraction form
    13,308.47/19,966.08 = 4,988.51/x
  3. Step 3: Cross multiply
    13,308.47x = 19,966.08 × 4,988.51
  4. Step 4: Simplify right side
    13,308.47x = 99,600,955.43
  5. Step 5: Solve for x
    x = 99,600,955.43/13,308.47
  6. Step 6: Final answer
    x = 7,484.03

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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.