Home / 9,038.06-12,484.43-6,939.51

Finding the Fourth Proportional to 9,038.06, 12,484.43 and 6,939.51

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Solution

The fourth proportional to 9,038.06, 12,484.43 and 6,939.51 is: 9,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.06 : 12,484.43 = 6,939.51 : x
  2. Step 2: Convert to fraction form
    9,038.06/12,484.43 = 6,939.51/x
  3. Step 3: Cross multiply
    9,038.06x = 12,484.43 × 6,939.51
  4. Step 4: Simplify right side
    9,038.06x = 86,635,792.13
  5. Step 5: Solve for x
    x = 86,635,792.13/9,038.06
  6. Step 6: Final answer
    x = 9,585.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.