Home / 11,839.47-16,337.95-6,461.77

Finding the Fourth Proportional to 11,839.47, 16,337.95 and 6,461.77

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Solution

The fourth proportional to 11,839.47, 16,337.95 and 6,461.77 is: 8,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.47 : 16,337.95 = 6,461.77 : x
  2. Step 2: Convert to fraction form
    11,839.47/16,337.95 = 6,461.77/x
  3. Step 3: Cross multiply
    11,839.47x = 16,337.95 × 6,461.77
  4. Step 4: Simplify right side
    11,839.47x = 105,572,075.17
  5. Step 5: Solve for x
    x = 105,572,075.17/11,839.47
  6. Step 6: Final answer
    x = 8,916.96

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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.