Home / 10,639.35-16,038.70-9,925.74

Finding the Fourth Proportional to 10,639.35, 16,038.70 and 9,925.74

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Solution

The fourth proportional to 10,639.35, 16,038.70 and 9,925.74 is: 14,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.35 : 16,038.70 = 9,925.74 : x
  2. Step 2: Convert to fraction form
    10,639.35/16,038.70 = 9,925.74/x
  3. Step 3: Cross multiply
    10,639.35x = 16,038.70 × 9,925.74
  4. Step 4: Simplify right side
    10,639.35x = 159,195,941.32
  5. Step 5: Solve for x
    x = 159,195,941.32/10,639.35
  6. Step 6: Final answer
    x = 14,962.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.