Home / 15,509.84-23,215.37-12,354.41

Finding the Fourth Proportional to 15,509.84, 23,215.37 and 12,354.41

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Solution

The fourth proportional to 15,509.84, 23,215.37 and 12,354.41 is: 18,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.84 : 23,215.37 = 12,354.41 : x
  2. Step 2: Convert to fraction form
    15,509.84/23,215.37 = 12,354.41/x
  3. Step 3: Cross multiply
    15,509.84x = 23,215.37 × 12,354.41
  4. Step 4: Simplify right side
    15,509.84x = 286,812,110.36
  5. Step 5: Solve for x
    x = 286,812,110.36/15,509.84
  6. Step 6: Final answer
    x = 18,492.27

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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.