Home / 12,810.34-19,215.51-4,045.94

Finding the Fourth Proportional to 12,810.34, 19,215.51 and 4,045.94

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Solution

The fourth proportional to 12,810.34, 19,215.51 and 4,045.94 is: 6,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.34 : 19,215.51 = 4,045.94 : x
  2. Step 2: Convert to fraction form
    12,810.34/19,215.51 = 4,045.94/x
  3. Step 3: Cross multiply
    12,810.34x = 19,215.51 × 4,045.94
  4. Step 4: Simplify right side
    12,810.34x = 77,744,800.53
  5. Step 5: Solve for x
    x = 77,744,800.53/12,810.34
  6. Step 6: Final answer
    x = 6,068.91

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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.