Home / 15,495.40-23,242.70-6,140.28

Finding the Fourth Proportional to 15,495.40, 23,242.70 and 6,140.28

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Solution

The fourth proportional to 15,495.40, 23,242.70 and 6,140.28 is: 9,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.40 : 23,242.70 = 6,140.28 : x
  2. Step 2: Convert to fraction form
    15,495.40/23,242.70 = 6,140.28/x
  3. Step 3: Cross multiply
    15,495.40x = 23,242.70 × 6,140.28
  4. Step 4: Simplify right side
    15,495.40x = 142,716,685.96
  5. Step 5: Solve for x
    x = 142,716,685.96/15,495.40
  6. Step 6: Final answer
    x = 9,210.26

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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.