Home / 12,848.10-19,315.35-10,947.30

Finding the Fourth Proportional to 12,848.10, 19,315.35 and 10,947.30

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Solution

The fourth proportional to 12,848.10, 19,315.35 and 10,947.30 is: 16,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.10 : 19,315.35 = 10,947.30 : x
  2. Step 2: Convert to fraction form
    12,848.10/19,315.35 = 10,947.30/x
  3. Step 3: Cross multiply
    12,848.10x = 19,315.35 × 10,947.30
  4. Step 4: Simplify right side
    12,848.10x = 211,450,931.06
  5. Step 5: Solve for x
    x = 211,450,931.06/12,848.10
  6. Step 6: Final answer
    x = 16,457.76

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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.