Home / 12,001.42-16,547.24-9,869.50

Finding the Fourth Proportional to 12,001.42, 16,547.24 and 9,869.50

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Solution

The fourth proportional to 12,001.42, 16,547.24 and 9,869.50 is: 13,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.42 : 16,547.24 = 9,869.50 : x
  2. Step 2: Convert to fraction form
    12,001.42/16,547.24 = 9,869.50/x
  3. Step 3: Cross multiply
    12,001.42x = 16,547.24 × 9,869.50
  4. Step 4: Simplify right side
    12,001.42x = 163,312,985.18
  5. Step 5: Solve for x
    x = 163,312,985.18/12,001.42
  6. Step 6: Final answer
    x = 13,607.81

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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.