Home / 15,420.63-23,130.54-4,327.41

Finding the Fourth Proportional to 15,420.63, 23,130.54 and 4,327.41

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Solution

The fourth proportional to 15,420.63, 23,130.54 and 4,327.41 is: 6,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.63 : 23,130.54 = 4,327.41 : x
  2. Step 2: Convert to fraction form
    15,420.63/23,130.54 = 4,327.41/x
  3. Step 3: Cross multiply
    15,420.63x = 23,130.54 × 4,327.41
  4. Step 4: Simplify right side
    15,420.63x = 100,095,330.10
  5. Step 5: Solve for x
    x = 100,095,330.10/15,420.63
  6. Step 6: Final answer
    x = 6,491.00

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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.