Home / 15,946.54-23,885.63-12,970.86

Finding the Fourth Proportional to 15,946.54, 23,885.63 and 12,970.86

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Solution

The fourth proportional to 15,946.54, 23,885.63 and 12,970.86 is: 19,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.54 : 23,885.63 = 12,970.86 : x
  2. Step 2: Convert to fraction form
    15,946.54/23,885.63 = 12,970.86/x
  3. Step 3: Cross multiply
    15,946.54x = 23,885.63 × 12,970.86
  4. Step 4: Simplify right side
    15,946.54x = 309,817,162.74
  5. Step 5: Solve for x
    x = 309,817,162.74/15,946.54
  6. Step 6: Final answer
    x = 19,428.49

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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.