Home / 12,258.30-16,916.40-6,953.88

Finding the Fourth Proportional to 12,258.30, 16,916.40 and 6,953.88

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Solution

The fourth proportional to 12,258.30, 16,916.40 and 6,953.88 is: 9,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.30 : 16,916.40 = 6,953.88 : x
  2. Step 2: Convert to fraction form
    12,258.30/16,916.40 = 6,953.88/x
  3. Step 3: Cross multiply
    12,258.30x = 16,916.40 × 6,953.88
  4. Step 4: Simplify right side
    12,258.30x = 117,634,615.63
  5. Step 5: Solve for x
    x = 117,634,615.63/12,258.30
  6. Step 6: Final answer
    x = 9,596.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.