Home / 16,948.05-25,430.93-12,306.40

Finding the Fourth Proportional to 16,948.05, 25,430.93 and 12,306.40

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Solution

The fourth proportional to 16,948.05, 25,430.93 and 12,306.40 is: 18,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.05 : 25,430.93 = 12,306.40 : x
  2. Step 2: Convert to fraction form
    16,948.05/25,430.93 = 12,306.40/x
  3. Step 3: Cross multiply
    16,948.05x = 25,430.93 × 12,306.40
  4. Step 4: Simplify right side
    16,948.05x = 312,963,196.95
  5. Step 5: Solve for x
    x = 312,963,196.95/16,948.05
  6. Step 6: Final answer
    x = 18,466.03

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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.