Home / 10,343.51-15,501.29-7,415.36

Finding the Fourth Proportional to 10,343.51, 15,501.29 and 7,415.36

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Solution

The fourth proportional to 10,343.51, 15,501.29 and 7,415.36 is: 11,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.51 : 15,501.29 = 7,415.36 : x
  2. Step 2: Convert to fraction form
    10,343.51/15,501.29 = 7,415.36/x
  3. Step 3: Cross multiply
    10,343.51x = 15,501.29 × 7,415.36
  4. Step 4: Simplify right side
    10,343.51x = 114,947,645.81
  5. Step 5: Solve for x
    x = 114,947,645.81/10,343.51
  6. Step 6: Final answer
    x = 11,113.02

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1.5x scale

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.