Home / 10,035.32-15,038.64-5,643.56

Finding the Fourth Proportional to 10,035.32, 15,038.64 and 5,643.56

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Solution

The fourth proportional to 10,035.32, 15,038.64 and 5,643.56 is: 8,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.32 : 15,038.64 = 5,643.56 : x
  2. Step 2: Convert to fraction form
    10,035.32/15,038.64 = 5,643.56/x
  3. Step 3: Cross multiply
    10,035.32x = 15,038.64 × 5,643.56
  4. Step 4: Simplify right side
    10,035.32x = 84,871,467.16
  5. Step 5: Solve for x
    x = 84,871,467.16/10,035.32
  6. Step 6: Final answer
    x = 8,457.28

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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.