Home / 10,253.40-15,368.10-4,707.28

Finding the Fourth Proportional to 10,253.40, 15,368.10 and 4,707.28

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Solution

The fourth proportional to 10,253.40, 15,368.10 and 4,707.28 is: 7,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.40 : 15,368.10 = 4,707.28 : x
  2. Step 2: Convert to fraction form
    10,253.40/15,368.10 = 4,707.28/x
  3. Step 3: Cross multiply
    10,253.40x = 15,368.10 × 4,707.28
  4. Step 4: Simplify right side
    10,253.40x = 72,341,911.35
  5. Step 5: Solve for x
    x = 72,341,911.35/10,253.40
  6. Step 6: Final answer
    x = 7,055.41

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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.